31045331023 has 16 divisors (see below), whose sum is σ = 37404702720. Its totient is φ = 25190896896.

The previous prime is 31045331003. The next prime is 31045331027. The reversal of 31045331023 is 32013354013.

It is not a de Polignac number, because 31045331023 - 2¹³ = 31045322831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31045331027) 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, 978343 + ... + 1009576.

It is an arithmetic number, because the mean of its divisors is an integer number (2337793920).

Almost surely, 2^31045331023 is an apocalyptic number.

31045331023 is a deficient number, since it is larger than the sum of its proper divisors (6359371697).

31045331023 is a wasteful number, since it uses less digits than its factorization.

31045331023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988046.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 31045331023 its reverse (32013354013), we get a palindrome (63058685036).

The spelling of 31045331023 in words is "thirty-one billion, forty-five million, three hundred thirty-one thousand, twenty-three".