131323310 has 32 divisors (see below), whose sum is σ = 245678400. Its totient is φ = 50480640.

The previous prime is 131323303. The next prime is 131323349. The reversal of 131323310 is 13323131.

It is a super-2 number, since 2×131323310² = 34491623498712200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68951 + ... + 70829.

It is an arithmetic number, because the mean of its divisors is an integer number (7677450).

Almost surely, 2^131323310 is an apocalyptic number.

131323310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131323310 is a deficient number, since it is larger than the sum of its proper divisors (114355090).

131323310 is a wasteful number, since it uses less digits than its factorization.

131323310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131323310 is about 11459.6383014474. The cubic root of 131323310 is about 508.2927792306.

Adding to 131323310 its reverse (13323131), we get a palindrome (144646441).

The spelling of 131323310 in words is "one hundred thirty-one million, three hundred twenty-three thousand, three hundred ten".