131171412 has 24 divisors (see below), whose sum is σ = 307119456. Its totient is φ = 43573408.

The previous prime is 131171399. The next prime is 131171431. The reversal of 131171412 is 214171131.

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, 15138 + ... + 22169.

It is an arithmetic number, because the mean of its divisors is an integer number (12796644).

Almost surely, 2^131171412 is an apocalyptic number.

131171412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131171412 is an abundant number, since it is smaller than the sum of its proper divisors (175948044).

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

131171412 is a wasteful number, since it uses less digits than its factorization.

131171412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37607 (or 37605 counting only the distinct ones).

The product of its digits is 168, while the sum is 21.

The square root of 131171412 is about 11453.0088623034. The cubic root of 131171412 is about 508.0967276079.

The spelling of 131171412 in words is "one hundred thirty-one million, one hundred seventy-one thousand, four hundred twelve".