253351431130 has 40 divisors (see below), whose sum is σ = 532006400052. Its totient is φ = 86863339584.

The previous prime is 253351431061. The next prime is 253351431133. The reversal of 253351431130 is 31134153352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 242651804409 + 10699626721 = 492597^2 + 103439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 253351431092 and 253351431101.

It is not an unprimeable number, because it can be changed into a prime (253351431133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5251947 + ... + 5299966.

Almost surely, 2^253351431130 is an apocalyptic number.

253351431130 is an abundant number, since it is smaller than the sum of its proper divisors (278654968922).

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

253351431130 is an equidigital number, since it uses as much as digits as its factorization.

253351431130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10551948 (or 10551927 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 253351431130 its reverse (31134153352), we get a palindrome (284485584482).

The spelling of 253351431130 in words is "two hundred fifty-three billion, three hundred fifty-one million, four hundred thirty-one thousand, one hundred thirty".