252310240331 has 16 divisors (see below), whose sum is σ = 268656702048. Its totient is φ = 236134080000.

The previous prime is 252310240321. The next prime is 252310240333. The reversal of 252310240331 is 133042013252.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-252310240331 is a prime.

It is a super-2 number, since 2×252310240331² (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 252310240331.

It is not an unprimeable number, because it can be changed into a prime (252310240333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2567441 + ... + 2663901.

It is an arithmetic number, because the mean of its divisors is an integer number (16791043878).

Almost surely, 2^252310240331 is an apocalyptic number.

252310240331 is a deficient number, since it is larger than the sum of its proper divisors (16346461717).

252310240331 is a wasteful number, since it uses less digits than its factorization.

252310240331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97342.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 252310240331 its reverse (133042013252), we get a palindrome (385352253583).

The spelling of 252310240331 in words is "two hundred fifty-two billion, three hundred ten million, two hundred forty thousand, three hundred thirty-one".