31023013023 has 12 divisors (see below), whose sum is σ = 47446961328. Its totient is φ = 19465419840.

The previous prime is 31023012997. The next prime is 31023013027. The reversal of 31023013023 is 32031032013.

31023013023 is a `hidden beast` number, since 310 + 2 + 301 + 30 + 23 = 666.

It is not a de Polignac number, because 31023013023 - 2⁸ = 31023012767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31023012987 and 31023013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023013027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101382243 + ... + 101382548.

It is an arithmetic number, because the mean of its divisors is an integer number (3953913444).

Almost surely, 2^31023013023 is an apocalyptic number.

31023013023 is a deficient number, since it is larger than the sum of its proper divisors (16423948305).

31023013023 is a wasteful number, since it uses less digits than its factorization.

31023013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202764814 (or 202764811 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31023013023 its reverse (32031032013), we get a palindrome (63054045036).

The spelling of 31023013023 in words is "thirty-one billion, twenty-three million, thirteen thousand, twenty-three".