131302329 has 16 divisors (see below), whose sum is σ = 181784064. Its totient is φ = 84211200.

The previous prime is 131302321. The next prime is 131302333. The reversal of 131302329 is 923203131.

It is not a de Polignac number, because 131302329 - 2³ = 131302321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131302299 and 131302308.

It is not an unprimeable number, because it can be changed into a prime (131302321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12009 + ... + 20169.

It is an arithmetic number, because the mean of its divisors is an integer number (11361504).

Almost surely, 2^131302329 is an apocalyptic number.

It is an amenable number.

131302329 is a deficient number, since it is larger than the sum of its proper divisors (50481735).

131302329 is a wasteful number, since it uses less digits than its factorization.

131302329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8368.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 131302329 is about 11458.7228345920. The cubic root of 131302329 is about 508.2657084875.

The spelling of 131302329 in words is "one hundred thirty-one million, three hundred two thousand, three hundred twenty-nine".