102373313431 has 16 divisors (see below), whose sum is σ = 103646065824. Its totient is φ = 101109371904.

The previous prime is 102373313429. The next prime is 102373313479. The reversal of 102373313431 is 134313373201.

It is a cyclic number.

It is not a de Polignac number, because 102373313431 - 2¹ = 102373313429 is a prime.

It is a super-2 number, since 2×102373313431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102373313393 and 102373313402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102373313401) 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, 30898831 + ... + 30902143.

It is an arithmetic number, because the mean of its divisors is an integer number (6477879114).

Almost surely, 2^102373313431 is an apocalyptic number.

102373313431 is a deficient number, since it is larger than the sum of its proper divisors (1272752393).

102373313431 is a wasteful number, since it uses less digits than its factorization.

102373313431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530.

The product of its (nonzero) digits is 13608, while the sum is 31.

Adding to 102373313431 its reverse (134313373201), we get a palindrome (236686686632).

The spelling of 102373313431 in words is "one hundred two billion, three hundred seventy-three million, three hundred thirteen thousand, four hundred thirty-one".