131320413 has 32 divisors (see below), whose sum is σ = 224133120. Its totient is φ = 74435760.

The previous prime is 131320411. The next prime is 131320447. The reversal of 131320413 is 314023131.

It is not a de Polignac number, because 131320413 - 2¹ = 131320411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131320411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21268 + ... + 26738.

It is an arithmetic number, because the mean of its divisors is an integer number (7004160).

Almost surely, 2^131320413 is an apocalyptic number.

It is an amenable number.

131320413 is a deficient number, since it is larger than the sum of its proper divisors (92812707).

131320413 is a wasteful number, since it uses less digits than its factorization.

131320413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614 (or 5608 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131320413 is about 11459.5119006003. The cubic root of 131320413 is about 508.2890415469.

Adding to 131320413 its reverse (314023131), we get a palindrome (445343544).

The spelling of 131320413 in words is "one hundred thirty-one million, three hundred twenty thousand, four hundred thirteen".