431044343020 has 12 divisors (see below), whose sum is σ = 905193120384. Its totient is φ = 172417737200.

The previous prime is 431044343017. The next prime is 431044343063. The reversal of 431044343020 is 20343440134.

It is a self number, because there is not a number n which added to its sum of digits gives 431044343020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10776108556 + ... + 10776108595.

It is an arithmetic number, because the mean of its divisors is an integer number (75432760032).

Almost surely, 2^431044343020 is an apocalyptic number.

It is an amenable number.

431044343020 is an abundant number, since it is smaller than the sum of its proper divisors (474148777364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431044343020 is a wasteful number, since it uses less digits than its factorization.

431044343020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21552217160 (or 21552217158 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 431044343020 its reverse (20343440134), we get a palindrome (451387783154).

The spelling of 431044343020 in words is "four hundred thirty-one billion, forty-four million, three hundred forty-three thousand, twenty".