431020254522 has 64 divisors (see below), whose sum is σ = 1012846343040. Its totient is φ = 120553267200.

The previous prime is 431020254517. The next prime is 431020254559. The reversal of 431020254522 is 225452020134.

It is a super-2 number, since 2×431020254522² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431020254522.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12311122 + ... + 12346082.

It is an arithmetic number, because the mean of its divisors is an integer number (15825724110).

Almost surely, 2^431020254522 is an apocalyptic number.

431020254522 is an abundant number, since it is smaller than the sum of its proper divisors (581826088518).

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

431020254522 is a wasteful number, since it uses less digits than its factorization.

431020254522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49359.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 431020254522 its reverse (225452020134), we get a palindrome (656472274656).

The spelling of 431020254522 in words is "four hundred thirty-one billion, twenty million, two hundred fifty-four thousand, five hundred twenty-two".