431044345000 has 40 divisors (see below), whose sum is σ = 1009936912050. Its totient is φ = 172417736000.

The previous prime is 431044344979. The next prime is 431044345001. The reversal of 431044345000 is 543440134.

It can be written as a sum of positive squares in 5 ways, for example, as 495774756 + 430548570244 = 22266^2 + 656162^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 431044345000.

It is not an unprimeable number, because it can be changed into a prime (431044345001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 43099435 + ... + 43109434.

Almost surely, 2^431044345000 is an apocalyptic number.

431044345000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431044345000 is an abundant number, since it is smaller than the sum of its proper divisors (578892567050).

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

431044345000 is an equidigital number, since it uses as much as digits as its factorization.

431044345000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86208895 (or 86208876 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 431044345000 its reverse (543440134), we get a palindrome (431587785134).

The spelling of 431044345000 in words is "four hundred thirty-one billion, forty-four million, three hundred forty-five thousand".