231303000 has 64 divisors (see below), whose sum is σ = 721674720. Its totient is φ = 61680000.

The previous prime is 231302987. The next prime is 231303011. The reversal of 231303000 is 303132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35551 + ... + 41550.

Almost surely, 2^231303000 is an apocalyptic number.

231303000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231303000 is an abundant number, since it is smaller than the sum of its proper divisors (490371720).

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

231303000 is a wasteful number, since it uses less digits than its factorization.

231303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77125 (or 77111 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 231303000 is about 15208.6488551745. The cubic root of 231303000 is about 613.8474016614.

Adding to 231303000 its reverse (303132), we get a palindrome (231606132).

The spelling of 231303000 in words is "two hundred thirty-one million, three hundred three thousand".