252430131311 has 16 divisors (see below), whose sum is σ = 261981101088. Its totient is φ = 243061593600.

The previous prime is 252430131299. The next prime is 252430131319. The reversal of 252430131311 is 113131034252.

It is a cyclic number.

It is not a de Polignac number, because 252430131311 - 2²⁶ = 252363022447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252430131319) 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, 841856 + ... + 1101626.

It is an arithmetic number, because the mean of its divisors is an integer number (16373818818).

Almost surely, 2^252430131311 is an apocalyptic number.

252430131311 is a deficient number, since it is larger than the sum of its proper divisors (9550969777).

252430131311 is a wasteful number, since it uses less digits than its factorization.

252430131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260122.

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

Adding to 252430131311 its reverse (113131034252), we get a palindrome (365561165563).

The spelling of 252430131311 in words is "two hundred fifty-two billion, four hundred thirty million, one hundred thirty-one thousand, three hundred eleven".