252423430031 has 4 divisors (see below), whose sum is σ = 257186136312. Its totient is φ = 247660723752.

The previous prime is 252423430013. The next prime is 252423430033. The reversal of 252423430031 is 130034324252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252423430031 - 2¹⁰ = 252423429007 is a prime.

It is a super-2 number, since 2×252423430031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252423429976 and 252423430003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252423430033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2381353061 + ... + 2381353166.

It is an arithmetic number, because the mean of its divisors is an integer number (64296534078).

Almost surely, 2^252423430031 is an apocalyptic number.

252423430031 is a deficient number, since it is larger than the sum of its proper divisors (4762706281).

252423430031 is an equidigital number, since it uses as much as digits as its factorization.

252423430031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762706280.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 252423430031 its reverse (130034324252), we get a palindrome (382457754283).

The spelling of 252423430031 in words is "two hundred fifty-two billion, four hundred twenty-three million, four hundred thirty thousand, thirty-one".