131333473 has 16 divisors (see below), whose sum is σ = 140434560. Its totient is φ = 122556544.

The previous prime is 131333443. The next prime is 131333507. The reversal of 131333473 is 374333131.

It is a cyclic number.

It is not a de Polignac number, because 131333473 - 2⁹ = 131332961 is a prime.

It is a super-2 number, since 2×131333473² = 34496962260483458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131333413) 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, 169515 + ... + 170287.

It is an arithmetic number, because the mean of its divisors is an integer number (8777160).

Almost surely, 2^131333473 is an apocalyptic number.

It is an amenable number.

131333473 is a deficient number, since it is larger than the sum of its proper divisors (9101087).

131333473 is an equidigital number, since it uses as much as digits as its factorization.

131333473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its digits is 6804, while the sum is 28.

The square root of 131333473 is about 11460.0817187313. The cubic root of 131333473 is about 508.3058910086.

The spelling of 131333473 in words is "one hundred thirty-one million, three hundred thirty-three thousand, four hundred seventy-three".