102326937990731 has 16 divisors (see below), whose sum is σ = 102907940724000. Its totient is φ = 101747468030208.

The previous prime is 102326937990709. The next prime is 102326937990773. The reversal of 102326937990731 is 137099739623201.

It is a cyclic number.

It is not a de Polignac number, because 102326937990731 - 2²² = 102326933796427 is a prime.

It is a super-2 number, since 2×102326937990731² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102326937990701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314389495 + ... + 1314467343.

It is an arithmetic number, because the mean of its divisors is an integer number (6431746295250).

Almost surely, 2^{102326937990731} is an apocalyptic number.

102326937990731 is a deficient number, since it is larger than the sum of its proper divisors (581002733269).

102326937990731 is an equidigital number, since it uses as much as digits as its factorization.

102326937990731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87598.

The product of its (nonzero) digits is 23147208, while the sum is 62.

The spelling of 102326937990731 in words is "one hundred two trillion, three hundred twenty-six billion, nine hundred thirty-seven million, nine hundred ninety thousand, seven hundred thirty-one".