31030302313423 has 16 divisors (see below), whose sum is σ = 35507939489280. Its totient is φ = 26563870007136.

The previous prime is 31030302313421. The next prime is 31030302313457. The reversal of 31030302313423 is 32431320303013.

It is not a de Polignac number, because 31030302313423 - 2¹ = 31030302313421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31030302313391 and 31030302313400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030302313421) 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, 17199936 + ... + 18918202.

It is an arithmetic number, because the mean of its divisors is an integer number (2219246218080).

Almost surely, 2^{31030302313423} is an apocalyptic number.

31030302313423 is a deficient number, since it is larger than the sum of its proper divisors (4477637175857).

31030302313423 is a wasteful number, since it uses less digits than its factorization.

31030302313423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721526.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 31030302313423 its reverse (32431320303013), we get a palindrome (63461622616436).

The spelling of 31030302313423 in words is "thirty-one trillion, thirty billion, three hundred two million, three hundred thirteen thousand, four hundred twenty-three".