431520343204 has 24 divisors (see below), whose sum is σ = 777341001528. Its totient is φ = 209506851840.

The previous prime is 431520343169. The next prime is 431520343213. The reversal of 431520343204 is 402343025134.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 132641640000 + 298878703204 = 364200^2 + 546698^2 .

It is a super-3 number, since 3×431520343204³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10471567 + ... + 10512694.

It is an arithmetic number, because the mean of its divisors is an integer number (32389208397).

Almost surely, 2^431520343204 is an apocalyptic number.

It is an amenable number.

431520343204 is a deficient number, since it is larger than the sum of its proper divisors (345820658324).

431520343204 is a wasteful number, since it uses less digits than its factorization.

431520343204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20984415 (or 20984413 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 431520343204 its reverse (402343025134), we get a palindrome (833863368338).

The spelling of 431520343204 in words is "four hundred thirty-one billion, five hundred twenty million, three hundred forty-three thousand, two hundred four".