131531046273 has 48 divisors (see below), whose sum is σ = 219949494336. Its totient is φ = 74856837120.

The previous prime is 131531046191. The next prime is 131531046299. The reversal of 131531046273 is 372640135131.

131531046273 is a `hidden beast` number, since 1 + 3 + 15 + 3 + 10 + 4 + 627 + 3 = 666.

It is not a de Polignac number, because 131531046273 - 2¹⁰ = 131531045249 is a prime.

It is a super-2 number, since 2×131531046273² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131531046373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 657361 + ... + 833777.

It is an arithmetic number, because the mean of its divisors is an integer number (4582281132).

Almost surely, 2^131531046273 is an apocalyptic number.

It is an amenable number.

131531046273 is a deficient number, since it is larger than the sum of its proper divisors (88418448063).

131531046273 is a wasteful number, since it uses less digits than its factorization.

131531046273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176894 (or 176891 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 131531046273 in words is "one hundred thirty-one billion, five hundred thirty-one million, forty-six thousand, two hundred seventy-three".