131031202012 has 24 divisors (see below), whose sum is σ = 233088362640. Its totient is φ = 64434754560.

The previous prime is 131031201997. The next prime is 131031202021. The reversal of 131031202012 is 210202130131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2898003 + ... + 2942869.

It is an arithmetic number, because the mean of its divisors is an integer number (9712015110).

Almost surely, 2^131031202012 is an apocalyptic number.

It is an amenable number.

131031202012 is a deficient number, since it is larger than the sum of its proper divisors (102057160628).

131031202012 is a wasteful number, since it uses less digits than its factorization.

131031202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56901 (or 56899 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131031202012 its reverse (210202130131), we get a palindrome (341233332143).

The spelling of 131031202012 in words is "one hundred thirty-one billion, thirty-one million, two hundred two thousand, twelve".