131311033012 has 12 divisors (see below), whose sum is σ = 231941918880. Its totient is φ = 65041913336.

The previous prime is 131311032997. The next prime is 131311033031. The reversal of 131311033012 is 210330113131.

It is a congruent number.

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, 153400312 + ... + 153401167.

It is an arithmetic number, because the mean of its divisors is an integer number (19328493240).

Almost surely, 2^131311033012 is an apocalyptic number.

It is an amenable number.

131311033012 is a deficient number, since it is larger than the sum of its proper divisors (100630885868).

131311033012 is a wasteful number, since it uses less digits than its factorization.

131311033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306801590 (or 306801588 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131311033012 its reverse (210330113131), we get a palindrome (341641146143).

The spelling of 131311033012 in words is "one hundred thirty-one billion, three hundred eleven million, thirty-three thousand, twelve".