131313380 has 24 divisors (see below), whose sum is σ = 300827520. Its totient is φ = 47750240.

The previous prime is 131313341. The next prime is 131313431. The reversal of 131313380 is 83313131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298220 + ... + 298659.

It is an arithmetic number, because the mean of its divisors is an integer number (12534480).

Almost surely, 2^131313380 is an apocalyptic number.

131313380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131313380 is an abundant number, since it is smaller than the sum of its proper divisors (169514140).

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

131313380 is a wasteful number, since it uses less digits than its factorization.

131313380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596899 (or 596897 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 131313380 is about 11459.2050335091. The cubic root of 131313380 is about 508.2799674038.

The spelling of 131313380 in words is "one hundred thirty-one million, three hundred thirteen thousand, three hundred eighty".