253131404232 has 32 divisors (see below), whose sum is σ = 723232584000. Its totient is φ = 72323258304.

The previous prime is 253131404231. The next prime is 253131404237. The reversal of 253131404232 is 232404131352.

It is a self number, because there is not a number n which added to its sum of digits gives 253131404232.

It is not an unprimeable number, because it can be changed into a prime (253131404231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753367107 + ... + 753367442.

It is an arithmetic number, because the mean of its divisors is an integer number (22601018250).

Almost surely, 2^253131404232 is an apocalyptic number.

It is an amenable number.

253131404232 is an abundant number, since it is smaller than the sum of its proper divisors (470101179768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253131404232 is a wasteful number, since it uses less digits than its factorization.

253131404232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506734565 (or 1506734561 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 253131404232 its reverse (232404131352), we get a palindrome (485535535584).

The spelling of 253131404232 in words is "two hundred fifty-three billion, one hundred thirty-one million, four hundred four thousand, two hundred thirty-two".