231300432 has 60 divisors (see below), whose sum is σ = 706172064. Its totient is φ = 70090560.

The previous prime is 231300389. The next prime is 231300437. The reversal of 231300432 is 234003132.

231300432 is a `hidden beast` number, since 231 + 3 + 0 + 0 + 432 = 666.

231300432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231300437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71428 + ... + 74595.

Almost surely, 2^231300432 is an apocalyptic number.

231300432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231300432 is an abundant number, since it is smaller than the sum of its proper divisors (474871632).

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

231300432 is a wasteful number, since it uses less digits than its factorization.

231300432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146048 (or 146039 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 231300432 is about 15208.5644292944. The cubic root of 231300432 is about 613.8451299429.

Adding to 231300432 its reverse (234003132), we get a palindrome (465303564).

The spelling of 231300432 in words is "two hundred thirty-one million, three hundred thousand, four hundred thirty-two".