113213513291 has 2 divisors, whose sum is σ = 113213513292. Its totient is φ = 113213513290.

The previous prime is 113213513167. The next prime is 113213513311. The reversal of 113213513291 is 192315312311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113213513291 is a prime.

It is not a weakly prime, because it can be changed into another prime (113213113291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606756645 + 56606756646.

It is an arithmetic number, because the mean of its divisors is an integer number (56606756646).

Almost surely, 2^113213513291 is an apocalyptic number.

113213513291 is a deficient number, since it is larger than the sum of its proper divisors (1).

113213513291 is an equidigital number, since it uses as much as digits as its factorization.

113213513291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 32.

The spelling of 113213513291 in words is "one hundred thirteen billion, two hundred thirteen million, five hundred thirteen thousand, two hundred ninety-one".