131384412 has 18 divisors (see below), whose sum is σ = 332110688. Its totient is φ = 43794792.

The previous prime is 131384333. The next prime is 131384443. The reversal of 131384412 is 214483131.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1824748 + ... + 1824819.

Almost surely, 2^131384412 is an apocalyptic number.

131384412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131384412 is an abundant number, since it is smaller than the sum of its proper divisors (200726276).

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

131384412 is a wasteful number, since it uses less digits than its factorization.

131384412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649577 (or 3649572 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 131384412 is about 11462.3039568841. The cubic root of 131384412 is about 508.3715996873.

The spelling of 131384412 in words is "one hundred thirty-one million, three hundred eighty-four thousand, four hundred twelve".