231885360 has 240 divisors, whose sum is σ = 899109120. Its totient is φ = 52462080.

The previous prime is 231885343. The next prime is 231885377. The reversal of 231885360 is 63588132.

It is an interprime number because it is at equal distance from previous prime (231885343) and next prime (231885377).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 700395 + ... + 700725.

It is an arithmetic number, because the mean of its divisors is an integer number (3746288).

Almost surely, 2^231885360 is an apocalyptic number.

231885360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231885360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449554560).

231885360 is an abundant number, since it is smaller than the sum of its proper divisors (667223760).

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

231885360 is a wasteful number, since it uses less digits than its factorization.

231885360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 231885360 is about 15227.7825043570. The cubic root of 231885360 is about 614.3621385767.

It can be divided in two parts, 2318 and 85360, that added together give a palindrome (87678).

The spelling of 231885360 in words is "two hundred thirty-one million, eight hundred eighty-five thousand, three hundred sixty".