131836490331 has 48 divisors (see below), whose sum is σ = 231800486400. Its totient is φ = 65880101952.

The previous prime is 131836490309. The next prime is 131836490333. The reversal of 131836490331 is 133094638131.

It is a happy number.

It is not a de Polignac number, because 131836490331 - 2²⁵ = 131802935899 is a prime.

It is a super-2 number, since 2×131836490331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131836490333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1779171 + ... + 1851788.

It is an arithmetic number, because the mean of its divisors is an integer number (4829176800).

Almost surely, 2^131836490331 is an apocalyptic number.

131836490331 is a deficient number, since it is larger than the sum of its proper divisors (99963996069).

131836490331 is a wasteful number, since it uses less digits than its factorization.

131836490331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631008 (or 3631001 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 131836490331 in words is "one hundred thirty-one billion, eight hundred thirty-six million, four hundred ninety thousand, three hundred thirty-one".