131051380 has 24 divisors (see below), whose sum is σ = 275440032. Its totient is φ = 52376352.

The previous prime is 131051339. The next prime is 131051381. The reversal of 131051380 is 83150131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131051381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32559 + ... + 36361.

It is an arithmetic number, because the mean of its divisors is an integer number (11476668).

Almost surely, 2^131051380 is an apocalyptic number.

131051380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131051380 is an abundant number, since it is smaller than the sum of its proper divisors (144388652).

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

131051380 is a wasteful number, since it uses less digits than its factorization.

131051380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5533 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 131051380 is about 11447.7674679389. The cubic root of 131051380 is about 507.9416976924.

The spelling of 131051380 in words is "one hundred thirty-one million, fifty-one thousand, three hundred eighty".