130321100231 has 4 divisors (see below), whose sum is σ = 148938400272. Its totient is φ = 111703800192.

The previous prime is 130321100191. The next prime is 130321100237. The reversal of 130321100231 is 132001123031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130321100231 is a prime.

It is a super-2 number, since 2×130321100231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130321100237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9308650010 + ... + 9308650023.

It is an arithmetic number, because the mean of its divisors is an integer number (37234600068).

Almost surely, 2^130321100231 is an apocalyptic number.

130321100231 is a deficient number, since it is larger than the sum of its proper divisors (18617300041).

130321100231 is an equidigital number, since it uses as much as digits as its factorization.

130321100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18617300040.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 130321100231 its reverse (132001123031), we get a palindrome (262322223262).

The spelling of 130321100231 in words is "one hundred thirty billion, three hundred twenty-one million, one hundred thousand, two hundred thirty-one".