231328038 has 16 divisors (see below), whose sum is σ = 465006960. Its totient is φ = 76717536.

The previous prime is 231328001. The next prime is 231328051. The reversal of 231328038 is 830823132.

231328038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231328038² = 107025322329858888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231327996 and 231328014.

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, 96673 + ... + 99036.

It is an arithmetic number, because the mean of its divisors is an integer number (29062935).

Almost surely, 2^231328038 is an apocalyptic number.

231328038 is an abundant number, since it is smaller than the sum of its proper divisors (233678922).

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

231328038 is a wasteful number, since it uses less digits than its factorization.

231328038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195911.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 231328038 is about 15209.4719829454. The cubic root of 231328038 is about 613.8695500364.

The spelling of 231328038 in words is "two hundred thirty-one million, three hundred twenty-eight thousand, thirty-eight".