131256332 has 12 divisors (see below), whose sum is σ = 241788120. Its totient is φ = 62174016.

The previous prime is 131256329. The next prime is 131256347. The reversal of 131256332 is 233652131.

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, 863453 + ... + 863604.

It is an arithmetic number, because the mean of its divisors is an integer number (20149010).

Almost surely, 2^131256332 is an apocalyptic number.

It is an amenable number.

131256332 is a deficient number, since it is larger than the sum of its proper divisors (110531788).

131256332 is a wasteful number, since it uses less digits than its factorization.

131256332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727080 (or 1727078 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 131256332 is about 11456.7155851928. The cubic root of 131256332 is about 508.2063507480.

The spelling of 131256332 in words is "one hundred thirty-one million, two hundred fifty-six thousand, three hundred thirty-two".