31310010123 has 16 divisors (see below), whose sum is σ = 47805359616. Its totient is φ = 17855858880.

The previous prime is 31310010097. The next prime is 31310010131. The reversal of 31310010123 is 32101001313.

It is not a de Polignac number, because 31310010123 - 2¹⁶ = 31309944587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31310010133) 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, 1471498 + ... + 1492623.

It is an arithmetic number, because the mean of its divisors is an integer number (2987834976).

Almost surely, 2^31310010123 is an apocalyptic number.

31310010123 is a deficient number, since it is larger than the sum of its proper divisors (16495349493).

31310010123 is a wasteful number, since it uses less digits than its factorization.

31310010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964634.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31310010123 its reverse (32101001313), we get a palindrome (63411011436).

The spelling of 31310010123 in words is "thirty-one billion, three hundred ten million, ten thousand, one hundred twenty-three".