253451331203 has 12 divisors (see below), whose sum is σ = 294840334080. Its totient is φ = 217237223952.

The previous prime is 253451331181. The next prime is 253451331227. The reversal of 253451331203 is 302133154352.

It is a de Polignac number, because none of the positive numbers 2^k-253451331203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253451331203.

It is not an unprimeable number, because it can be changed into a prime (253451331293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2105225 + ... + 2222357.

It is an arithmetic number, because the mean of its divisors is an integer number (24570027840).

Almost surely, 2^253451331203 is an apocalyptic number.

253451331203 is a deficient number, since it is larger than the sum of its proper divisors (41389002877).

253451331203 is a wasteful number, since it uses less digits than its factorization.

253451331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161306 (or 161299 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 253451331203 its reverse (302133154352), we get a palindrome (555584485555).

The spelling of 253451331203 in words is "two hundred fifty-three billion, four hundred fifty-one million, three hundred thirty-one thousand, two hundred three".