253688542031 has 2 divisors, whose sum is σ = 253688542032. Its totient is φ = 253688542030.

The previous prime is 253688541941. The next prime is 253688542033. The reversal of 253688542031 is 130245886352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253688542031 - 2¹⁴ = 253688525647 is a prime.

It is a super-2 number, since 2×253688542031² (a number of 24 digits) contains 22 as substring.

Together with 253688542033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253688542033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126844271015 + 126844271016.

It is an arithmetic number, because the mean of its divisors is an integer number (126844271016).

Almost surely, 2^253688542031 is an apocalyptic number.

253688542031 is a deficient number, since it is larger than the sum of its proper divisors (1).

253688542031 is an equidigital number, since it uses as much as digits as its factorization.

253688542031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 253688542031 in words is "two hundred fifty-three billion, six hundred eighty-eight million, five hundred forty-two thousand, thirty-one".