112311998 has 4 divisors (see below), whose sum is σ = 168468000. Its totient is φ = 56155998.

The previous prime is 112311971. The next prime is 112312007. The reversal of 112311998 is 899113211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 899113211 = 101 ⋅8902111.

It is a super-2 number, since 2×112311998² = 25227969789504008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28077998 + ... + 28078001.

It is an arithmetic number, because the mean of its divisors is an integer number (42117000).

Almost surely, 2^112311998 is an apocalyptic number.

112311998 is a deficient number, since it is larger than the sum of its proper divisors (56156002).

112311998 is an equidigital number, since it uses as much as digits as its factorization.

112311998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56156001.

The product of its digits is 3888, while the sum is 35.

The square root of 112311998 is about 10597.7355128348. The cubic root of 112311998 is about 482.4756328357.

The spelling of 112311998 in words is "one hundred twelve million, three hundred eleven thousand, nine hundred ninety-eight".