331131000030131 has 24 divisors (see below), whose sum is σ = 399260279079936. Its totient is φ = 273641622906960.

The previous prime is 331131000030067. The next prime is 331131000030161. The reversal of 331131000030131 is 131030000131133.

It is not a de Polignac number, because 331131000030131 - 2⁶ = 331131000030067 is a prime.

It is a super-2 number, since 2×331131000030131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331131000030161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1072849115 + ... + 1073157716.

It is an arithmetic number, because the mean of its divisors is an integer number (16635844961664).

Almost surely, 2^{331131000030131} is an apocalyptic number.

331131000030131 is a deficient number, since it is larger than the sum of its proper divisors (68129279049805).

331131000030131 is a wasteful number, since it uses less digits than its factorization.

331131000030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146006959 (or 2146006952 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 331131000030131 its reverse (131030000131133), we get a palindrome (462161000161264).

The spelling of 331131000030131 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, thirty thousand, one hundred thirty-one".