131310336 has 72 divisors (see below), whose sum is σ = 358999984. Its totient is φ = 42577920.

The previous prime is 131310323. The next prime is 131310337. The reversal of 131310336 is 633013131.

It is not an unprimeable number, because it can be changed into a prime (131310337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26106 + ... + 30726.

Almost surely, 2^131310336 is an apocalyptic number.

131310336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131310336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179499992).

131310336 is an abundant number, since it is smaller than the sum of its proper divisors (227689648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131310336 is an equidigital number, since it uses as much as digits as its factorization.

131310336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4663 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 131310336 is about 11459.0722137527. The cubic root of 131310336 is about 508.2760398625.

Adding to 131310336 its reverse (633013131), we get a palindrome (764323467).

The spelling of 131310336 in words is "one hundred thirty-one million, three hundred ten thousand, three hundred thirty-six".