431041243325522 has 4 divisors (see below), whose sum is σ = 646561864988286. Its totient is φ = 215520621662760.

The previous prime is 431041243325513. The next prime is 431041243325569. The reversal of 431041243325522 is 225523342140134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 403514526204241 + 27526717121281 = 20087671^2 + 5246591^2 .

It is a super-2 number, since 2×431041243325522² (a number of 30 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 431041243325522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107760310831379 + ... + 107760310831382.

Almost surely, 2^{431041243325522} is an apocalyptic number.

431041243325522 is a deficient number, since it is larger than the sum of its proper divisors (215520621662764).

431041243325522 is a wasteful number, since it uses less digits than its factorization.

431041243325522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215520621662763.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 431041243325522 its reverse (225523342140134), we get a palindrome (656564585465656).

The spelling of 431041243325522 in words is "four hundred thirty-one trillion, forty-one billion, two hundred forty-three million, three hundred twenty-five thousand, five hundred twenty-two".