131249352 has 32 divisors (see below), whose sum is σ = 353364480. Its totient is φ = 40384320.

The previous prime is 131249347. The next prime is 131249383. The reversal of 131249352 is 253942131.

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, 210024 + ... + 210647.

It is an arithmetic number, because the mean of its divisors is an integer number (11042640).

Almost surely, 2^131249352 is an apocalyptic number.

131249352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131249352 is an abundant number, since it is smaller than the sum of its proper divisors (222115128).

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

131249352 is a wasteful number, since it uses less digits than its factorization.

131249352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420693 (or 420689 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 131249352 is about 11456.4109563161. The cubic root of 131249352 is about 508.1973420570.

The spelling of 131249352 in words is "one hundred thirty-one million, two hundred forty-nine thousand, three hundred fifty-two".