113231113213 has 2 divisors, whose sum is σ = 113231113214. Its totient is φ = 113231113212.

The previous prime is 113231113183. The next prime is 113231113253. The reversal of 113231113213 is 312311132311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74420931204 + 38810182009 = 272802^2 + 197003^2 .

It is a cyclic number.

It is not a de Polignac number, because 113231113213 - 2¹⁷ = 113230982141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113231113253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56615556606 + 56615556607.

It is an arithmetic number, because the mean of its divisors is an integer number (56615556607).

Almost surely, 2^113231113213 is an apocalyptic number.

It is an amenable number.

113231113213 is a deficient number, since it is larger than the sum of its proper divisors (1).

113231113213 is an equidigital number, since it uses as much as digits as its factorization.

113231113213 is an odious number, because the sum of its binary digits is odd.

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

Adding to 113231113213 its reverse (312311132311), we get a palindrome (425542245524).

The spelling of 113231113213 in words is "one hundred thirteen billion, two hundred thirty-one million, one hundred thirteen thousand, two hundred thirteen".