431321040200 has 48 divisors (see below), whose sum is σ = 1016558732580. Its totient is φ = 170165007360.

The previous prime is 431321040197. The next prime is 431321040209. The reversal of 431321040200 is 2040123134.

It can be written as a sum of positive squares in 6 ways, for example, as 110156282404 + 321164757796 = 331898^2 + 566714^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (431321040209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14756669 + ... + 14785868.

Almost surely, 2^431321040200 is an apocalyptic number.

431321040200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431321040200 is an abundant number, since it is smaller than the sum of its proper divisors (585237692380).

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

431321040200 is a wasteful number, since it uses less digits than its factorization.

431321040200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29542626 (or 29542617 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 431321040200 its reverse (2040123134), we get a palindrome (433361163334).

The spelling of 431321040200 in words is "four hundred thirty-one billion, three hundred twenty-one million, forty thousand, two hundred".