131752331 has 4 divisors (see below), whose sum is σ = 131779392. Its totient is φ = 131725272.

The previous prime is 131752297. The next prime is 131752337. The reversal of 131752331 is 133257131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131752331 - 2⁶ = 131752267 is a prime.

It is a super-2 number, since 2×131752331² = 34717353447867122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131752331.

It is not an unprimeable number, because it can be changed into a prime (131752337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3980 + ... + 16713.

It is an arithmetic number, because the mean of its divisors is an integer number (32944848).

Almost surely, 2^131752331 is an apocalyptic number.

131752331 is a deficient number, since it is larger than the sum of its proper divisors (27061).

131752331 is an equidigital number, since it uses as much as digits as its factorization.

131752331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27060.

The product of its digits is 1890, while the sum is 26.

The square root of 131752331 is about 11478.3418227547. The cubic root of 131752331 is about 508.8456925886.

The spelling of 131752331 in words is "one hundred thirty-one million, seven hundred fifty-two thousand, three hundred thirty-one".