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2031022231404 = 2231927310163589
BaseRepresentation
bin11101100011100010010…
…110111100111101101100
321012011102102122111012120
4131203202112330331230
5231234013142401104
64153012211032540
7266510424056265
oct35434226747554
97164372574176
102031022231404
11713396112461
1228976129b750
131196a864b60a
147043299196c
1537c71729cd9
hex1d8e25bcf6c

2031022231404 has 144 divisors (see below), whose sum is σ = 5120398049760. Its totient is φ = 626316364800.

The previous prime is 2031022231393. The next prime is 2031022231451. The reversal of 2031022231404 is 4041322201302.

It is a happy number.

It is a super-2 number, since 2×20310222314042 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31908042 + ... + 31971630.

It is an arithmetic number, because the mean of its divisors is an integer number (35558319790).

Almost surely, 22031022231404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031022231404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560199024880).

2031022231404 is an abundant number, since it is smaller than the sum of its proper divisors (3089375818356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031022231404 is a wasteful number, since it uses less digits than its factorization.

2031022231404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63808 (or 63787 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2031022231404 its reverse (4041322201302), we get a palindrome (6072344432706).

The spelling of 2031022231404 in words is "two trillion, thirty-one billion, twenty-two million, two hundred thirty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 12 19 38 57 73 76 101 114 146 202 219 228 292 303 361 404 438 606 722 876 1083 1212 1387 1444 1919 2166 2774 3838 4161 4332 5548 5757 7373 7676 8322 11514 14746 16644 22119 23028 26353 29492 36461 44238 52706 63589 72922 79059 88476 105412 109383 127178 140087 145844 158118 190767 218766 254356 280174 316236 381534 420261 437532 560348 763068 840522 1208191 1681044 2416382 2661653 3624573 4641997 4832764 5323306 6422489 7249146 7984959 9283994 10646612 12844978 13925991 14498292 15969918 18567988 19267467 22955629 25689956 27851982 31939836 38534934 45911258 55703964 68866887 77069868 88197943 91822516 122027291 137733774 176395886 244054582 264593829 275467548 352791772 366081873 468841697 488109164 529187658 732163746 937683394 1058375316 1406525091 1464327492 1675760917 1875366788 2318518529 2813050182 3351521834 4637037058 5027282751 5626100364 6703043668 6955555587 8907992243 9274074116 10054565502 13911111174 17815984486 20109131004 26723976729 27822222348 35631968972 53447953458 106895906916 169251852617 338503705234 507755557851 677007410468 1015511115702 2031022231404