113420030981 has 2 divisors, whose sum is σ = 113420030982. Its totient is φ = 113420030980.

The previous prime is 113420030887. The next prime is 113420030989. The reversal of 113420030981 is 189030024311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104619902500 + 8800128481 = 323450^2 + 93809^2 .

It is a cyclic number.

It is not a de Polignac number, because 113420030981 - 2²⁶ = 113352922117 is a prime.

It is a super-2 number, since 2×113420030981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113420030989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56710015490 + 56710015491.

It is an arithmetic number, because the mean of its divisors is an integer number (56710015491).

Almost surely, 2^113420030981 is an apocalyptic number.

It is an amenable number.

113420030981 is a deficient number, since it is larger than the sum of its proper divisors (1).

113420030981 is an equidigital number, since it uses as much as digits as its factorization.

113420030981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 113420030981 in words is "one hundred thirteen billion, four hundred twenty million, thirty thousand, nine hundred eighty-one".