131302612 has 24 divisors (see below), whose sum is σ = 267059520. Its totient is φ = 55318080.

The previous prime is 131302583. The next prime is 131302637. The reversal of 131302612 is 216203131.

It is a self number, because there is not a number n which added to its sum of digits gives 131302612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38089 + ... + 41392.

It is an arithmetic number, because the mean of its divisors is an integer number (11127480).

Almost surely, 2^131302612 is an apocalyptic number.

It is an amenable number.

131302612 is an abundant number, since it is smaller than the sum of its proper divisors (135756908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131302612 is a wasteful number, since it uses less digits than its factorization.

131302612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79551 (or 79549 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 131302612 is about 11458.7351832565. The cubic root of 131302612 is about 508.2660736475.

Adding to 131302612 its reverse (216203131), we get a palindrome (347505743).

The spelling of 131302612 in words is "one hundred thirty-one million, three hundred two thousand, six hundred twelve".