431040431420122 has 48 divisors (see below), whose sum is σ = 699599855321640. Its totient is φ = 198927590754816.

The previous prime is 431040431420113. The next prime is 431040431420129. The reversal of 431040431420122 is 221024134040134.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 385061304834441 + 45979126585681 = 19622979^2 + 6780791^2 .

It is not an unprimeable number, because it can be changed into a prime (431040431420129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49778518 + ... + 57792574.

Almost surely, 2^{431040431420122} is an apocalyptic number.

431040431420122 is a deficient number, since it is larger than the sum of its proper divisors (268559423901518).

431040431420122 is a wasteful number, since it uses less digits than its factorization.

431040431420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015887 (or 8015864 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 431040431420122 its reverse (221024134040134), we get a palindrome (652064565460256).

The spelling of 431040431420122 in words is "four hundred thirty-one trillion, forty billion, four hundred thirty-one million, four hundred twenty thousand, one hundred twenty-two".