131255312 has 10 divisors (see below), whose sum is σ = 254307198. Its totient is φ = 65627648.

The previous prime is 131255303. The next prime is 131255329. The reversal of 131255312 is 213552131.

It is a happy number.

131255312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 131239936 + 15376 = 11456^2 + 124^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101713 + ... + 4101744.

Almost surely, 2^131255312 is an apocalyptic number.

It is an amenable number.

131255312 is a deficient number, since it is larger than the sum of its proper divisors (123051886).

131255312 is an equidigital number, since it uses as much as digits as its factorization.

131255312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8203465 (or 8203459 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 131255312 is about 11456.6710697305. The cubic root of 131255312 is about 508.2050343117.

The spelling of 131255312 in words is "one hundred thirty-one million, two hundred fifty-five thousand, three hundred twelve".