131313344 has 28 divisors (see below), whose sum is σ = 261366000. Its totient is φ = 65457408.

The previous prime is 131313341. The next prime is 131313431. The reversal of 131313344 is 443313131.

It is not an unprimeable number, because it can be changed into a prime (131313341) 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, 19397 + ... + 25275.

It is an arithmetic number, because the mean of its divisors is an integer number (9334500).

Almost surely, 2^131313344 is an apocalyptic number.

It is an amenable number.

131313344 is a deficient number, since it is larger than the sum of its proper divisors (130052656).

131313344 is an equidigital number, since it uses as much as digits as its factorization.

131313344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240 (or 6230 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 131313344 is about 11459.2034627194. The cubic root of 131313344 is about 508.2799209549.

Adding to 131313344 its reverse (443313131), we get a palindrome (574626475).

The spelling of 131313344 in words is "one hundred thirty-one million, three hundred thirteen thousand, three hundred forty-four".