31032012131323 has 12 divisors (see below), whose sum is σ = 36637246126632. Its totient is φ = 26201869515360.

The previous prime is 31032012131311. The next prime is 31032012131371. The reversal of 31032012131323 is 32313121023013.

It is not a de Polignac number, because 31032012131323 - 2³⁷ = 30894573177851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31032012131723) 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, 4726163658 + ... + 4726170223.

It is an arithmetic number, because the mean of its divisors is an integer number (3053103843886).

Almost surely, 2^{31032012131323} is an apocalyptic number.

31032012131323 is a deficient number, since it is larger than the sum of its proper divisors (5605233995309).

31032012131323 is an equidigital number, since it uses as much as digits as its factorization.

31032012131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9452333962 (or 9452333955 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31032012131323 its reverse (32313121023013), we get a palindrome (63345133154336).

The spelling of 31032012131323 in words is "thirty-one trillion, thirty-two billion, twelve million, one hundred thirty-one thousand, three hundred twenty-three".