131336324 has 24 divisors (see below), whose sum is σ = 263776128. Its totient is φ = 56050560.

The previous prime is 131336323. The next prime is 131336329. The reversal of 131336324 is 423633131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131336293 and 131336302.

It is not an unprimeable number, because it can be changed into a prime (131336323) 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, 2984 + ... + 16479.

It is an arithmetic number, because the mean of its divisors is an integer number (10990672).

Almost surely, 2^131336324 is an apocalyptic number.

131336324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131336324 is an abundant number, since it is smaller than the sum of its proper divisors (132439804).

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

131336324 is a wasteful number, since it uses less digits than its factorization.

131336324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19715 (or 19713 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

The square root of 131336324 is about 11460.2061063490. The cubic root of 131336324 is about 508.3095691002.

Adding to 131336324 its reverse (423633131), we get a palindrome (554969455).

The spelling of 131336324 in words is "one hundred thirty-one million, three hundred thirty-six thousand, three hundred twenty-four".