113311999973 has 2 divisors, whose sum is σ = 113311999974. Its totient is φ = 113311999972.

The previous prime is 113311999963. The next prime is 113311999979. The reversal of 113311999973 is 379999113311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113298213604 + 13786369 = 336598^2 + 3713^2 .

It is a cyclic number.

It is not a de Polignac number, because 113311999973 - 2¹⁸ = 113311737829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113311999979) 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, 56655999986 + 56655999987.

It is an arithmetic number, because the mean of its divisors is an integer number (56655999987).

Almost surely, 2^113311999973 is an apocalyptic number.

It is an amenable number.

113311999973 is a deficient number, since it is larger than the sum of its proper divisors (1).

113311999973 is an equidigital number, since it uses as much as digits as its factorization.

113311999973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1240029, while the sum is 56.

The spelling of 113311999973 in words is "one hundred thirteen billion, three hundred eleven million, nine hundred ninety-nine thousand, nine hundred seventy-three".