113203301993 has 2 divisors, whose sum is σ = 113203301994. Its totient is φ = 113203301992.

The previous prime is 113203301977. The next prime is 113203302067. The reversal of 113203301993 is 399103302311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103846996009 + 9356305984 = 322253^2 + 96728^2 .

It is a cyclic number.

It is not a de Polignac number, because 113203301993 - 2⁴ = 113203301977 is a prime.

It is not a weakly prime, because it can be changed into another prime (113203301963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56601650996 + 56601650997.

It is an arithmetic number, because the mean of its divisors is an integer number (56601650997).

Almost surely, 2^113203301993 is an apocalyptic number.

It is an amenable number.

113203301993 is a deficient number, since it is larger than the sum of its proper divisors (1).

113203301993 is an equidigital number, since it uses as much as digits as its factorization.

113203301993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 35.

The spelling of 113203301993 in words is "one hundred thirteen billion, two hundred three million, three hundred one thousand, nine hundred ninety-three".