113243402231 has 4 divisors (see below), whose sum is σ = 113245743600. Its totient is φ = 113241060864.

The previous prime is 113243402227. The next prime is 113243402267. The reversal of 113243402231 is 132204342311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132204342311 = 181 ⋅730410731.

It is a cyclic number.

It is not a de Polignac number, because 113243402231 - 2² = 113243402227 is a prime.

It is a super-2 number, since 2×113243402231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113243402231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113243402201) 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, 1096571 + ... + 1195388.

It is an arithmetic number, because the mean of its divisors is an integer number (28311435900).

Almost surely, 2^113243402231 is an apocalyptic number.

113243402231 is a deficient number, since it is larger than the sum of its proper divisors (2341369).

113243402231 is an equidigital number, since it uses as much as digits as its factorization.

113243402231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341368.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 113243402231 its reverse (132204342311), we get a palindrome (245447744542).

The spelling of 113243402231 in words is "one hundred thirteen billion, two hundred forty-three million, four hundred two thousand, two hundred thirty-one".