131431111012 has 12 divisors (see below), whose sum is σ = 232237497856. Its totient is φ = 65077540200.

The previous prime is 131431110989. The next prime is 131431111027. The reversal of 131431111012 is 210111134131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159503364 + ... + 159504187.

Almost surely, 2^131431111012 is an apocalyptic number.

It is an amenable number.

131431111012 is a deficient number, since it is larger than the sum of its proper divisors (100806386844).

131431111012 is a wasteful number, since it uses less digits than its factorization.

131431111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319007658 (or 319007656 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 131431111012 its reverse (210111134131), we get a palindrome (341542245143).

The spelling of 131431111012 in words is "one hundred thirty-one billion, four hundred thirty-one million, one hundred eleven thousand, twelve".