431431222497 has 16 divisors (see below), whose sum is σ = 654820512768. Its totient is φ = 250105056080.

The previous prime is 431431222423. The next prime is 431431222499. The reversal of 431431222497 is 794222134134.

It is not a de Polignac number, because 431431222497 - 2¹⁸ = 431430960353 is a prime.

It is a super-2 number, since 2×431431222497² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431431222499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284209533 + ... + 284211050.

It is an arithmetic number, because the mean of its divisors is an integer number (40926282048).

Almost surely, 2^431431222497 is an apocalyptic number.

It is an amenable number.

431431222497 is a deficient number, since it is larger than the sum of its proper divisors (223389290271).

431431222497 is a wasteful number, since it uses less digits than its factorization.

431431222497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568420620.

The product of its digits is 290304, while the sum is 42.

The spelling of 431431222497 in words is "four hundred thirty-one billion, four hundred thirty-one million, two hundred twenty-two thousand, four hundred ninety-seven".