252131230 has 32 divisors (see below), whose sum is σ = 489888000. Its totient is φ = 92877312.

The previous prime is 252131219. The next prime is 252131237. The reversal of 252131230 is 32131252.

252131230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 252131198 and 252131207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252131237) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 60246 + ... + 64294.

It is an arithmetic number, because the mean of its divisors is an integer number (15309000).

Almost surely, 2^252131230 is an apocalyptic number.

252131230 is a deficient number, since it is larger than the sum of its proper divisors (237756770).

252131230 is a wasteful number, since it uses less digits than its factorization.

252131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 252131230 is about 15878.6406848949. The cubic root of 252131230 is about 631.7455830498.

Adding to 252131230 its reverse (32131252), we get a palindrome (284262482).

The spelling of 252131230 in words is "two hundred fifty-two million, one hundred thirty-one thousand, two hundred thirty".