252114111431 has 32 divisors (see below), whose sum is σ = 316261266048. Its totient is φ = 195641671680.

The previous prime is 252114111409. The next prime is 252114111451. The reversal of 252114111431 is 134111411252.

It is a de Polignac number, because none of the positive numbers 2^k-252114111431 is a prime.

It is a super-2 number, since 2×252114111431² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252114111431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252114111451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16665551 + ... + 16680671.

It is an arithmetic number, because the mean of its divisors is an integer number (9883164564).

Almost surely, 2^252114111431 is an apocalyptic number.

252114111431 is a deficient number, since it is larger than the sum of its proper divisors (64147154617).

252114111431 is a wasteful number, since it uses less digits than its factorization.

252114111431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18651.

The product of its digits is 960, while the sum is 26.

Adding to 252114111431 its reverse (134111411252), we get a palindrome (386225522683).

The spelling of 252114111431 in words is "two hundred fifty-two billion, one hundred fourteen million, one hundred eleven thousand, four hundred thirty-one".