113231111233 has 16 divisors (see below), whose sum is σ = 120106158480. Its totient is φ = 106580388096.

The previous prime is 113231111209. The next prime is 113231111237. The reversal of 113231111233 is 332111132311.

It can be written as a sum of positive squares in 8 ways, for example, as 10172134449 + 103058976784 = 100857^2 + 321028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113231111233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113231111237) 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, 6691 + ... + 475927.

It is an arithmetic number, because the mean of its divisors is an integer number (7506634905).

Almost surely, 2^113231111233 is an apocalyptic number.

It is an amenable number.

113231111233 is a deficient number, since it is larger than the sum of its proper divisors (6875047247).

113231111233 is a wasteful number, since it uses less digits than its factorization.

113231111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469476.

The product of its digits is 324, while the sum is 22.

Adding to 113231111233 its reverse (332111132311), we get a palindrome (445342243544).

The spelling of 113231111233 in words is "one hundred thirteen billion, two hundred thirty-one million, one hundred eleven thousand, two hundred thirty-three".