31313003023 has 16 divisors (see below), whose sum is σ = 32311273536. Its totient is φ = 30323082240.

The previous prime is 31313003009. The next prime is 31313003041. The reversal of 31313003023 is 32030031313.

It is a cyclic number.

It is not a de Polignac number, because 31313003023 - 2¹³ = 31312994831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313001023) 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, 8004438 + ... + 8008348.

It is an arithmetic number, because the mean of its divisors is an integer number (2019454596).

Almost surely, 2^31313003023 is an apocalyptic number.

31313003023 is a deficient number, since it is larger than the sum of its proper divisors (998270513).

31313003023 is a wasteful number, since it uses less digits than its factorization.

31313003023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 31313003023 its reverse (32030031313), we get a palindrome (63343034336).

The spelling of 31313003023 in words is "thirty-one billion, three hundred thirteen million, three thousand, twenty-three".