231912480 has 192 divisors, whose sum is σ = 783820800. Its totient is φ = 57461760.

The previous prime is 231912469. The next prime is 231912493. The reversal of 231912480 is 84219132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537865 + ... + 538295.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^231912480 is an apocalyptic number.

231912480 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 231912480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391910400).

231912480 is an abundant number, since it is smaller than the sum of its proper divisors (551908320).

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

231912480 is a wasteful number, since it uses less digits than its factorization.

231912480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 231912480 is about 15228.6729559735. The cubic root of 231912480 is about 614.3860884166.

The spelling of 231912480 in words is "two hundred thirty-one million, nine hundred twelve thousand, four hundred eighty".