231200252 has 6 divisors (see below), whose sum is σ = 404600448. Its totient is φ = 115600124.

The previous prime is 231200251. The next prime is 231200261. The reversal of 231200252 is 252002132.

It is a self number, because there is not a number n which added to its sum of digits gives 231200252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231200251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28900028 + ... + 28900035.

It is an arithmetic number, because the mean of its divisors is an integer number (67433408).

Almost surely, 2^231200252 is an apocalyptic number.

It is an amenable number.

231200252 is a deficient number, since it is larger than the sum of its proper divisors (173400196).

231200252 is a wasteful number, since it uses less digits than its factorization.

231200252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57800067 (or 57800065 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 231200252 is about 15205.2705336012. The cubic root of 231200252 is about 613.7564950235.

Adding to 231200252 its reverse (252002132), we get a palindrome (483202384).

The spelling of 231200252 in words is "two hundred thirty-one million, two hundred thousand, two hundred fifty-two".