130320231 has 16 divisors (see below), whose sum is σ = 181854720. Its totient is φ = 82855520.

The previous prime is 130320227. The next prime is 130320233. The reversal of 130320231 is 132023031.

It is a cyclic number.

It is not a de Polignac number, because 130320231 - 2² = 130320227 is a prime.

It is a super-2 number, since 2×130320231² = 33966725215786722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130320231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130320233) 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, 22141 + ... + 27401.

It is an arithmetic number, because the mean of its divisors is an integer number (11365920).

Almost surely, 2^130320231 is an apocalyptic number.

130320231 is a deficient number, since it is larger than the sum of its proper divisors (51534489).

130320231 is a wasteful number, since it uses less digits than its factorization.

130320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130320231 is about 11415.7886718352. The cubic root of 130320231 is about 506.9953160249.

Adding to 130320231 its reverse (132023031), we get a palindrome (262343262).

The spelling of 130320231 in words is "one hundred thirty million, three hundred twenty thousand, two hundred thirty-one".