Search a number
-
+
31033231131301 = 7191094386748799
BaseRepresentation
bin1110000111001011111001…
…01101111100001010100101
311001212202012020100120012221
413003211330231330022211
513031422024132200201
6150000245232112341
76352035253164040
oct703457455741245
9131782166316187
1031033231131301
119985134a36823
1235925463956b1
13144156231b599
1479403300bc57
1538c3a3b664a1
hex1c397cb7c2a5

31033231131301 has 32 divisors (see below), whose sum is σ = 37677347840000. Its totient is φ = 24967644265152.

The previous prime is 31033231131283. The next prime is 31033231131307. The reversal of 31033231131301 is 10313113233013.

It is a cyclic number.

It is not a de Polignac number, because 31033231131301 - 213 = 31033231123109 is a prime.

It is a super-2 number, since 2×310332311313012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31033231131307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635915500 + ... + 635964298.

It is an arithmetic number, because the mean of its divisors is an integer number (1177417120000).

Almost surely, 231033231131301 is an apocalyptic number.

It is an amenable number.

31033231131301 is a deficient number, since it is larger than the sum of its proper divisors (6644116708699).

31033231131301 is a wasteful number, since it uses less digits than its factorization.

31033231131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92801.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 31033231131301 its reverse (10313113233013), we get a palindrome (41346344364314).

The spelling of 31033231131301 in words is "thirty-one trillion, thirty-three billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 7 19 109 133 763 2071 14497 43867 48799 307069 341593 833473 927181 4781503 5319091 5834311 6490267 33470521 37233637 90848557 101062729 635939899 707439103 2140665733 14984660131 40672648927 233332564897 284708542489 1633327954279 4433318733043 31033231131301