131356473 has 16 divisors (see below), whose sum is σ = 183275520. Its totient is φ = 83525904.

The previous prime is 131356471. The next prime is 131356513. The reversal of 131356473 is 374653131.

It is not a de Polignac number, because 131356473 - 2¹ = 131356471 is a prime.

It is a super-3 number, since 3×131356473³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131356471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23640 + ... + 28662.

It is an arithmetic number, because the mean of its divisors is an integer number (11454720).

Almost surely, 2^131356473 is an apocalyptic number.

It is an amenable number.

131356473 is a deficient number, since it is larger than the sum of its proper divisors (51919047).

131356473 is a wasteful number, since it uses less digits than its factorization.

131356473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its digits is 22680, while the sum is 33.

The square root of 131356473 is about 11461.0851580468. The cubic root of 131356473 is about 508.3355619240.

The spelling of 131356473 in words is "one hundred thirty-one million, three hundred fifty-six thousand, four hundred seventy-three".