252133121231 has 8 divisors (see below), whose sum is σ = 253051514640. Its totient is φ = 251214921792.

The previous prime is 252133121183. The next prime is 252133121239. The reversal of 252133121231 is 132121331252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252133121231 - 2³⁰ = 251059379407 is a prime.

It is a super-2 number, since 2×252133121231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252133121231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252133121239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2875385 + ... + 2961773.

It is an arithmetic number, because the mean of its divisors is an integer number (31631439330).

Almost surely, 2^252133121231 is an apocalyptic number.

252133121231 is a deficient number, since it is larger than the sum of its proper divisors (918393409).

252133121231 is a wasteful number, since it uses less digits than its factorization.

252133121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96985.

The product of its digits is 2160, while the sum is 26.

Adding to 252133121231 its reverse (132121331252), we get a palindrome (384254452483).

The spelling of 252133121231 in words is "two hundred fifty-two billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred thirty-one".