130232331 has 6 divisors (see below), whose sum is σ = 188113380. Its totient is φ = 86821548.

The previous prime is 130232317. The next prime is 130232351. The reversal of 130232331 is 133232031.

130232331 is a `hidden beast` number, since 1 + 302 + 32 + 331 = 666.

It is not a de Polignac number, because 130232331 - 2⁵ = 130232299 is a prime.

It is a super-2 number, since 2×130232331² = 33920920075387122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130232351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7235121 + ... + 7235138.

It is an arithmetic number, because the mean of its divisors is an integer number (31352230).

Almost surely, 2^130232331 is an apocalyptic number.

130232331 is a deficient number, since it is larger than the sum of its proper divisors (57881049).

130232331 is a wasteful number, since it uses less digits than its factorization.

130232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14470265 (or 14470262 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 130232331 is about 11411.9380913147. The cubic root of 130232331 is about 506.8813022317.

Adding to 130232331 its reverse (133232031), we get a palindrome (263464362).

It can be divided in two parts, 1302 and 32331, that added together give a palindrome (33633).

The spelling of 130232331 in words is "one hundred thirty million, two hundred thirty-two thousand, three hundred thirty-one".