113213511193 has 2 divisors, whose sum is σ = 113213511194. Its totient is φ = 113213511192.

The previous prime is 113213511167. The next prime is 113213511223. The reversal of 113213511193 is 391115312311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101017180224 + 12196330969 = 317832^2 + 110437^2 .

It is an emirp because it is prime and its reverse (391115312311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113213511193 - 2⁵ = 113213511161 is a prime.

It is not a weakly prime, because it can be changed into another prime (113213511113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606755596 + 56606755597.

It is an arithmetic number, because the mean of its divisors is an integer number (56606755597).

Almost surely, 2^113213511193 is an apocalyptic number.

It is an amenable number.

113213511193 is a deficient number, since it is larger than the sum of its proper divisors (1).

113213511193 is an equidigital number, since it uses as much as digits as its factorization.

113213511193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 31.

The spelling of 113213511193 in words is "one hundred thirteen billion, two hundred thirteen million, five hundred eleven thousand, one hundred ninety-three".