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102343123243031 = 11591013881402299
BaseRepresentation
bin10111010001010010011101…
…100000011001000000010111
3111102100220111020002010111012
4113101102131200121000113
5101403242204022234111
61001355440505402435
730362022000115406
oct2721223540310027
9442326436063435
10102343123243031
112a678524a99a90
12b58a948a9941b
134514bb8663a68
141b3b60dad963d
15bc72a5c2d48b
hex5d149d819017

102343123243031 has 32 divisors (see below), whose sum is σ = 114693348384000. Its totient is φ = 90533141920000.

The previous prime is 102343123243027. The next prime is 102343123243093. The reversal of 102343123243031 is 130342321343201.

It is a cyclic number.

It is not a de Polignac number, because 102343123243031 - 22 = 102343123243027 is a prime.

It is a super-2 number, since 2×1023431232430312 (a number of 29 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 (102343123243021) 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, 254194520 + ... + 254596818.

It is an arithmetic number, because the mean of its divisors is an integer number (3584167137000).

Almost surely, 2102343123243031 is an apocalyptic number.

102343123243031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102343123243031 is a deficient number, since it is larger than the sum of its proper divisors (12350225140969).

102343123243031 is a wasteful number, since it uses less digits than its factorization.

102343123243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406351.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 102343123243031 its reverse (130342321343201), we get a palindrome (232685444586232).

The spelling of 102343123243031 in words is "one hundred two trillion, three hundred forty-three billion, one hundred twenty-three million, two hundred forty-three thousand, thirty-one".

Divisors: 1 11 59 101 649 1111 3881 5959 42691 65549 228979 391981 402299 2518769 4311791 4425289 23126879 23735641 40632199 254395669 261092051 446954189 1561322419 2397299741 17174546609 26370297151 92118022721 157693564319 1013298249931 1734629207509 9303920294821 102343123243031