431063522 has 18 divisors (see below), whose sum is σ = 661413123. Its totient is φ = 210701712.

The previous prime is 431063489. The next prime is 431063551. The reversal of 431063522 is 225360134.

It can be written as a sum of positive squares in 5 ways, for example, as 160757041 + 270306481 = 12679^2 + 16441^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14681.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431063491 and 431063500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1556048 + ... + 1556324.

Almost surely, 2^431063522 is an apocalyptic number.

431063522 is a deficient number, since it is larger than the sum of its proper divisors (230349601).

431063522 is an frugal number, since it uses more digits than its factorization.

431063522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 431063522 is about 20762.0693091994. The cubic root of 431063522 is about 755.4059901453.

The spelling of 431063522 in words is "four hundred thirty-one million, sixty-three thousand, five hundred twenty-two".