231472160 has 24 divisors (see below), whose sum is σ = 546853356. Its totient is φ = 92588800.

The previous prime is 231472121. The next prime is 231472181. The reversal of 231472160 is 61274132.

It can be written as a sum of positive squares in 2 ways, for example, as 185286544 + 46185616 = 13612^2 + 6796^2 .

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, 723191 + ... + 723510.

Almost surely, 2^231472160 is an apocalyptic number.

231472160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231472160 is an abundant number, since it is smaller than the sum of its proper divisors (315381196).

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

231472160 is a wasteful number, since it uses less digits than its factorization.

231472160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446716 (or 1446708 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 231472160 is about 15214.2091480300. The cubic root of 231472160 is about 613.9970079112.

The spelling of 231472160 in words is "two hundred thirty-one million, four hundred seventy-two thousand, one hundred sixty".