431444230 has 32 divisors (see below), whose sum is σ = 909195840. Its totient is φ = 144314880.

The previous prime is 431444227. The next prime is 431444257. The reversal of 431444230 is 32444134.

It is a super-2 number, since 2×431444230² = 372288247200585800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431444195 and 431444204.

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, 72295 + ... + 78034.

It is an arithmetic number, because the mean of its divisors is an integer number (28412370).

Almost surely, 2^431444230 is an apocalyptic number.

431444230 is an abundant number, since it is smaller than the sum of its proper divisors (477751610).

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

431444230 is a wasteful number, since it uses less digits than its factorization.

431444230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150384.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 431444230 is about 20771.2356397014. The cubic root of 431444230 is about 755.6283119655.

Adding to 431444230 its reverse (32444134), we get a palindrome (463888364).

It can be divided in two parts, 43144 and 4230, that added together give a palindrome (47374).

The spelling of 431444230 in words is "four hundred thirty-one million, four hundred forty-four thousand, two hundred thirty".