131308413 has 4 divisors (see below), whose sum is σ = 175077888. Its totient is φ = 87538940.

The previous prime is 131308381. The next prime is 131308423. The reversal of 131308413 is 314803131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131308413 - 2⁵ = 131308381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131308423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21884733 + ... + 21884738.

It is an arithmetic number, because the mean of its divisors is an integer number (43769472).

Almost surely, 2^131308413 is an apocalyptic number.

It is an amenable number.

131308413 is a deficient number, since it is larger than the sum of its proper divisors (43769475).

131308413 is an equidigital number, since it uses as much as digits as its factorization.

131308413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43769474.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 131308413 is about 11458.9883061289. The cubic root of 131308413 is about 508.2735586676.

The spelling of 131308413 in words is "one hundred thirty-one million, three hundred eight thousand, four hundred thirteen".