3131231131323 has 24 divisors (see below), whose sum is σ = 4735222848720. Its totient is φ = 1991221888320.

The previous prime is 3131231131321. The next prime is 3131231131331. The reversal of 3131231131323 is 3231311321313.

3131231131323 is a `hidden beast` number, since 3 + 1 + 3 + 12 + 311 + 313 + 23 = 666.

It is not a de Polignac number, because 3131231131323 - 2¹ = 3131231131321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3131231131321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72249748 + ... + 72293073.

It is an arithmetic number, because the mean of its divisors is an integer number (197300952030).

Almost surely, 2^{3131231131323} is an apocalyptic number.

3131231131323 is a deficient number, since it is larger than the sum of its proper divisors (1603991717397).

3131231131323 is a wasteful number, since it uses less digits than its factorization.

3131231131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144542939 (or 144542936 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

Adding to 3131231131323 its reverse (3231311321313), we get a palindrome (6362542452636).

The spelling of 3131231131323 in words is "three trillion, one hundred thirty-one billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred twenty-three".