131255345 has 16 divisors (see below), whose sum is σ = 172159680. Its totient is φ = 95477184.

The previous prime is 131255339. The next prime is 131255359. The reversal of 131255345 is 543552131.

It is a cyclic number.

It is not a de Polignac number, because 131255345 - 2⁴ = 131255329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10715 + ... + 19424.

It is an arithmetic number, because the mean of its divisors is an integer number (10759980).

Almost surely, 2^131255345 is an apocalyptic number.

It is an amenable number.

131255345 is a deficient number, since it is larger than the sum of its proper divisors (40904335).

131255345 is a wasteful number, since it uses less digits than its factorization.

131255345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30224.

The product of its digits is 9000, while the sum is 29.

The square root of 131255345 is about 11456.6725099393. The cubic root of 131255345 is about 508.2050769024.

The spelling of 131255345 in words is "one hundred thirty-one million, two hundred fifty-five thousand, three hundred forty-five".