231352500 has 120 divisors (see below), whose sum is σ = 683156320. Its totient is φ = 60912000.

The previous prime is 231352489. The next prime is 231352501. The reversal of 231352500 is 5253132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231352501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 817359 + ... + 817641.

Almost surely, 2^231352500 is an apocalyptic number.

231352500 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 231352500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341578160).

231352500 is an abundant number, since it is smaller than the sum of its proper divisors (451803820).

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

231352500 is a wasteful number, since it uses less digits than its factorization.

231352500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 231352500 is about 15210.2761316158. The cubic root of 231352500 is about 613.8911873439.

The spelling of 231352500 in words is "two hundred thirty-one million, three hundred fifty-two thousand, five hundred".