431240422325522 has 16 divisors (see below), whose sum is σ = 650363379876000. Its totient is φ = 214455738441120.

The previous prime is 431240422325521. The next prime is 431240422325567. The reversal of 431240422325522 is 225523224042134.

It is a self number, because there is not a number n which added to its sum of digits gives 431240422325522.

It is not an unprimeable number, because it can be changed into a prime (431240422325521) 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, 777074147 + ... + 777628902.

It is an arithmetic number, because the mean of its divisors is an integer number (40647711242250).

Almost surely, 2^{431240422325522} is an apocalyptic number.

431240422325522 is a deficient number, since it is larger than the sum of its proper divisors (219122957550478).

431240422325522 is a wasteful number, since it uses less digits than its factorization.

431240422325522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554703801.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 431240422325522 its reverse (225523224042134), we get a palindrome (656763646367656).

The spelling of 431240422325522 in words is "four hundred thirty-one trillion, two hundred forty billion, four hundred twenty-two million, three hundred twenty-five thousand, five hundred twenty-two".