431342032220 has 48 divisors (see below), whose sum is σ = 1022240066400. Its totient is φ = 151442968320.

The previous prime is 431342032213. The next prime is 431342032267. The reversal of 431342032220 is 22230243134.

It is a self number, because there is not a number n which added to its sum of digits gives 431342032220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33797855 + ... + 33810614.

It is an arithmetic number, because the mean of its divisors is an integer number (21296668050).

Almost surely, 2^431342032220 is an apocalyptic number.

It is an amenable number.

431342032220 is an abundant number, since it is smaller than the sum of its proper divisors (590898034180).

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

431342032220 is a wasteful number, since it uses less digits than its factorization.

431342032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67608518 (or 67608516 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 431342032220 its reverse (22230243134), we get a palindrome (453572275354).

The spelling of 431342032220 in words is "four hundred thirty-one billion, three hundred forty-two million, thirty-two thousand, two hundred twenty".