131455312 has 10 divisors (see below), whose sum is σ = 254694698. Its totient is φ = 65727648.

The previous prime is 131455309. The next prime is 131455333. The reversal of 131455312 is 213554131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 115004176 + 16451136 = 10724^2 + 4056^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107963 + ... + 4107994.

Almost surely, 2^131455312 is an apocalyptic number.

It is an amenable number.

131455312 is a deficient number, since it is larger than the sum of its proper divisors (123239386).

131455312 is an equidigital number, since it uses as much as digits as its factorization.

131455312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215965 (or 8215959 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 131455312 is about 11465.3962862171. The cubic root of 131455312 is about 508.4630287600.

The spelling of 131455312 in words is "one hundred thirty-one million, four hundred fifty-five thousand, three hundred twelve".