225016324431 has 16 divisors (see below), whose sum is σ = 305700065280. Its totient is φ = 147172057760.

The previous prime is 225016324387. The next prime is 225016324447. The reversal of 225016324431 is 134423610522.

It is a cyclic number.

It is not a de Polignac number, because 225016324431 - 2⁹ = 225016323919 is a prime.

It is a super-2 number, since 2×225016324431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225016324392 and 225016324401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225016324231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4016986 + ... + 4072616.

It is an arithmetic number, because the mean of its divisors is an integer number (19106254080).

Almost surely, 2^225016324431 is an apocalyptic number.

225016324431 is a deficient number, since it is larger than the sum of its proper divisors (80683740849).

225016324431 is a wasteful number, since it uses less digits than its factorization.

225016324431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81126.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 225016324431 its reverse (134423610522), we get a palindrome (359439934953).

The spelling of 225016324431 in words is "two hundred twenty-five billion, sixteen million, three hundred twenty-four thousand, four hundred thirty-one".