231400160 has 24 divisors (see below), whose sum is σ = 546683256. Its totient is φ = 92560000.

The previous prime is 231400153. The next prime is 231400177. The reversal of 231400160 is 61004132.

231400160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722966 + ... + 723285.

It is an arithmetic number, because the mean of its divisors is an integer number (22778469).

Almost surely, 2^231400160 is an apocalyptic number.

231400160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231400160 is an abundant number, since it is smaller than the sum of its proper divisors (315283096).

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

231400160 is a wasteful number, since it uses less digits than its factorization.

231400160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446266 (or 1446258 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231400160 is about 15211.8427549065. The cubic root of 231400160 is about 613.9333395360.

Adding to 231400160 its reverse (61004132), we get a palindrome (292404292).

The spelling of 231400160 in words is "two hundred thirty-one million, four hundred thousand, one hundred sixty".