231016160 has 48 divisors (see below), whose sum is σ = 560540736. Its totient is φ = 89906688.

The previous prime is 231016157. The next prime is 231016169. The reversal of 231016160 is 61610132.

231016160 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-2 number, since 2×231016160² = 106736932362291200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231016169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13592 + ... + 25431.

It is an arithmetic number, because the mean of its divisors is an integer number (11677932).

Almost surely, 2^231016160 is an apocalyptic number.

231016160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231016160 is an abundant number, since it is smaller than the sum of its proper divisors (329524576).

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

231016160 is a wasteful number, since it uses less digits than its factorization.

231016160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39075 (or 39067 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 231016160 is about 15199.2157692428. The cubic root of 231016160 is about 613.5935516276.

Adding to 231016160 its reverse (61610132), we get a palindrome (292626292).

The spelling of 231016160 in words is "two hundred thirty-one million, sixteen thousand, one hundred sixty".