231980000 has 120 divisors (see below), whose sum is σ = 652628592. Its totient is φ = 79488000.

The previous prime is 231979991. The next prime is 231980027. The reversal of 231980000 is 89132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 139172 + ... + 140828.

Almost surely, 2^231980000 is an apocalyptic number.

231980000 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 231980000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326314296).

231980000 is an abundant number, since it is smaller than the sum of its proper divisors (420648592).

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

231980000 is an equidigital number, since it uses as much as digits as its factorization.

231980000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 231980000 is about 15230.8896654135. The cubic root of 231980000 is about 614.4457076365.

The spelling of 231980000 in words is "two hundred thirty-one million, nine hundred eighty thousand".