113200320231 has 8 divisors (see below), whose sum is σ = 167704178160. Its totient is φ = 75466880136.

The previous prime is 113200320199. The next prime is 113200320269. The reversal of 113200320231 is 132023002311.

113200320231 is a `hidden beast` number, since 1 + 1 + 320 + 0 + 320 + 23 + 1 = 666.

It is not a de Polignac number, because 113200320231 - 2⁵ = 113200320199 is a prime.

It is a super-2 number, since 2×113200320231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113200320931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096302200 + ... + 2096302253.

It is an arithmetic number, because the mean of its divisors is an integer number (20963022270).

Almost surely, 2^113200320231 is an apocalyptic number.

113200320231 is a deficient number, since it is larger than the sum of its proper divisors (54503857929).

113200320231 is an equidigital number, since it uses as much as digits as its factorization.

113200320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192604462 (or 4192604456 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113200320231 its reverse (132023002311), we get a palindrome (245223322542).

The spelling of 113200320231 in words is "one hundred thirteen billion, two hundred million, three hundred twenty thousand, two hundred thirty-one".