225313355431 has 4 divisors (see below), whose sum is σ = 225374735664. Its totient is φ = 225251975200.

The previous prime is 225313355381. The next prime is 225313355441. The reversal of 225313355431 is 134553313522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134553313522 = 2 ⋅67276656761.

It is a cyclic number.

It is not a de Polignac number, because 225313355431 - 2⁷ = 225313355303 is a prime.

It is a super-2 number, since 2×225313355431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225313355441) 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 3 ways as a sum of consecutive naturals, for example, 30684610 + ... + 30691951.

It is an arithmetic number, because the mean of its divisors is an integer number (56343683916).

Almost surely, 2^225313355431 is an apocalyptic number.

225313355431 is a deficient number, since it is larger than the sum of its proper divisors (61380233).

225313355431 is an equidigital number, since it uses as much as digits as its factorization.

225313355431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61380232.

The product of its digits is 162000, while the sum is 37.

Adding to 225313355431 its reverse (134553313522), we get a palindrome (359866668953).

The spelling of 225313355431 in words is "two hundred twenty-five billion, three hundred thirteen million, three hundred fifty-five thousand, four hundred thirty-one".