431134401322 has 4 divisors (see below), whose sum is σ = 646701601986. Its totient is φ = 215567200660.

The previous prime is 431134401311. The next prime is 431134401367. The reversal of 431134401322 is 223104431134.

It is a happy number.

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., 430494766641 + 639634681 = 656121^2 + 25291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107783600329 + ... + 107783600332.

Almost surely, 2^431134401322 is an apocalyptic number.

431134401322 is a deficient number, since it is larger than the sum of its proper divisors (215567200664).

431134401322 is a wasteful number, since it uses less digits than its factorization.

431134401322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215567200663.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 431134401322 its reverse (223104431134), we get a palindrome (654238832456).

The spelling of 431134401322 in words is "four hundred thirty-one billion, one hundred thirty-four million, four hundred one thousand, three hundred twenty-two".