131550475 has 12 divisors (see below), whose sum is σ = 186426064. Its totient is φ = 90205920.

The previous prime is 131550473. The next prime is 131550479. The reversal of 131550475 is 574055131.

It is not a de Polignac number, because 131550475 - 2¹ = 131550473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131550473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375684 + ... + 376033.

Almost surely, 2^131550475 is an apocalyptic number.

131550475 is a deficient number, since it is larger than the sum of its proper divisors (54875589).

131550475 is an equidigital number, since it uses as much as digits as its factorization.

131550475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751734 (or 751729 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 131550475 is about 11469.5455446151. The cubic root of 131550475 is about 508.5856945164.

The spelling of 131550475 in words is "one hundred thirty-one million, five hundred fifty thousand, four hundred seventy-five".