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31322013144310 = 2571726321019449
BaseRepresentation
bin1110001111100101110010…
…11101111001010011110110
311002220100120221122210210101
413013302321131321103312
513101134440331104220
6150341044552544314
76411640453613110
oct707627135712366
9132810527583711
1031322013144310
119a86655947399
12361a4ba9b209a
13146286500b465
147a3dca3383b0
15394b5657730a
hex1c7cb97794f6

31322013144310 has 32 divisors (see below), whose sum is σ = 68224082414400. Its totient is φ = 10107271468032.

The previous prime is 31322013144287. The next prime is 31322013144347. The reversal of 31322013144310 is 1344131022313.

It is a super-2 number, since 2×313220131443102 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13160508535 + ... + 13160510914.

It is an arithmetic number, because the mean of its divisors is an integer number (2132002575450).

Almost surely, 231322013144310 is an apocalyptic number.

31322013144310 is an abundant number, since it is smaller than the sum of its proper divisors (36902069270090).

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

31322013144310 is a wasteful number, since it uses less digits than its factorization.

31322013144310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26321019480.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 31322013144310 its reverse (1344131022313), we get a palindrome (32666144166623).

The spelling of 31322013144310 in words is "thirty-one trillion, three hundred twenty-two billion, thirteen million, one hundred forty-four thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 26321019449 52642038898 131605097245 184247136143 263210194490 368494272286 447457330633 894914661266 921235680715 1842471361430 2237286653165 3132201314431 4474573306330 6264402628862 15661006572155 31322013144310