231368998 has 8 divisors (see below), whose sum is σ = 396632592. Its totient is φ = 99158136.

The previous prime is 231368987. The next prime is 231368999. The reversal of 231368998 is 899863132.

231368998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231368998² = 107063226471048008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231368999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8263165 + ... + 8263192.

It is an arithmetic number, because the mean of its divisors is an integer number (49579074).

Almost surely, 2^231368998 is an apocalyptic number.

231368998 is a deficient number, since it is larger than the sum of its proper divisors (165263594).

231368998 is a wasteful number, since it uses less digits than its factorization.

231368998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16526366.

The product of its digits is 559872, while the sum is 49.

The square root of 231368998 is about 15210.8184526672. The cubic root of 231368998 is about 613.9057794145.

The spelling of 231368998 in words is "two hundred thirty-one million, three hundred sixty-eight thousand, nine hundred ninety-eight".