131304131 has 4 divisors (see below), whose sum is σ = 150061872. Its totient is φ = 112546392.

The previous prime is 131304113. The next prime is 131304139. The reversal of 131304131 is 131403131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131304131 - 2⁶ = 131304067 is a prime.

It is a super-2 number, since 2×131304131² = 34481549635330322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131304139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9378860 + ... + 9378873.

It is an arithmetic number, because the mean of its divisors is an integer number (37515468).

Almost surely, 2^131304131 is an apocalyptic number.

131304131 is a deficient number, since it is larger than the sum of its proper divisors (18757741).

131304131 is an equidigital number, since it uses as much as digits as its factorization.

131304131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18757740.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 131304131 is about 11458.8014643766. The cubic root of 131304131 is about 508.2680336318.

Adding to 131304131 its reverse (131403131), we get a palindrome (262707262).

The spelling of 131304131 in words is "one hundred thirty-one million, three hundred four thousand, one hundred thirty-one".