131201375 has 8 divisors (see below), whose sum is σ = 163739472. Its totient is φ = 104961000.

The previous prime is 131201363. The next prime is 131201377. The reversal of 131201375 is 573102131.

It is not a de Polignac number, because 131201375 - 2¹⁰ = 131200351 is a prime.

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 131201375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201377) 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, 524681 + ... + 524930.

It is an arithmetic number, because the mean of its divisors is an integer number (20467434).

Almost surely, 2^131201375 is an apocalyptic number.

131201375 is a deficient number, since it is larger than the sum of its proper divisors (32538097).

131201375 is an equidigital number, since it uses as much as digits as its factorization.

131201375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049626 (or 1049616 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 131201375 is about 11454.3168718174. The cubic root of 131201375 is about 508.1354122139.

The spelling of 131201375 in words is "one hundred thirty-one million, two hundred one thousand, three hundred seventy-five".