231330110113 has 4 divisors (see below), whose sum is σ = 231391523520. Its totient is φ = 231268696708.

The previous prime is 231330110047. The next prime is 231330110159. The reversal of 231330110113 is 311011033132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231330110113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231330110413) 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, 30701053 + ... + 30708586.

It is an arithmetic number, because the mean of its divisors is an integer number (57847880880).

Almost surely, 2^231330110113 is an apocalyptic number.

It is an amenable number.

231330110113 is a deficient number, since it is larger than the sum of its proper divisors (61413407).

231330110113 is an equidigital number, since it uses as much as digits as its factorization.

231330110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61413406.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 231330110113 its reverse (311011033132), we get a palindrome (542341143245).

The spelling of 231330110113 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred ten thousand, one hundred thirteen".