231398364 has 24 divisors (see below), whose sum is σ = 542917648. Its totient is φ = 76705920.

The previous prime is 231398357. The next prime is 231398417. The reversal of 231398364 is 463893132.

231398364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×231398364³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51097 + ... + 55440.

Almost surely, 2^231398364 is an apocalyptic number.

It is an amenable number.

231398364 is an abundant number, since it is smaller than the sum of its proper divisors (311519284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231398364 is a wasteful number, since it uses less digits than its factorization.

231398364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106725 (or 106723 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 231398364 is about 15211.7837218388. The cubic root of 231398364 is about 613.9317511949.

The spelling of 231398364 in words is "two hundred thirty-one million, three hundred ninety-eight thousand, three hundred sixty-four".