113312997 has 12 divisors (see below), whose sum is σ = 187056480. Its totient is φ = 64750248.

The previous prime is 113312989. The next prime is 113313001. The reversal of 113312997 is 799213311.

It is a happy number.

It is not a de Polignac number, because 113312997 - 2³ = 113312989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113312957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899247 + ... + 899372.

It is an arithmetic number, because the mean of its divisors is an integer number (15588040).

Almost surely, 2^113312997 is an apocalyptic number.

It is an amenable number.

113312997 is a deficient number, since it is larger than the sum of its proper divisors (73743483).

113312997 is a wasteful number, since it uses less digits than its factorization.

113312997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798632 (or 1798629 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 113312997 is about 10644.8577726525. The cubic root of 113312997 is about 483.9047763057.

The spelling of 113312997 in words is "one hundred thirteen million, three hundred twelve thousand, nine hundred ninety-seven".