130331232015 has 32 divisors (see below), whose sum is σ = 217761232896. Its totient is φ = 66437479680.

The previous prime is 130331232011. The next prime is 130331232041. The reversal of 130331232015 is 510232133031.

It is not a de Polignac number, because 130331232015 - 2² = 130331232011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130331232011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315475 + ... + 600155.

It is an arithmetic number, because the mean of its divisors is an integer number (6805038528).

Almost surely, 2^130331232015 is an apocalyptic number.

130331232015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130331232015 is a deficient number, since it is larger than the sum of its proper divisors (87430000881).

130331232015 is a wasteful number, since it uses less digits than its factorization.

130331232015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286039.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 130331232015 its reverse (510232133031), we get a palindrome (640563365046).

The spelling of 130331232015 in words is "one hundred thirty billion, three hundred thirty-one million, two hundred thirty-two thousand, fifteen".