431344120 has 32 divisors (see below), whose sum is σ = 971287200. Its totient is φ = 172402048.

The previous prime is 431344117. The next prime is 431344141. The reversal of 431344120 is 21443134.

It is a junction number, because it is equal to n+sod(n) for n = 431344091 and 431344100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58902 + ... + 65818.

It is an arithmetic number, because the mean of its divisors is an integer number (30352725).

Almost surely, 2^431344120 is an apocalyptic number.

431344120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431344120 is an abundant number, since it is smaller than the sum of its proper divisors (539943080).

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

431344120 is a wasteful number, since it uses less digits than its factorization.

431344120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487 (or 8483 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 431344120 is about 20768.8256769611. The cubic root of 431344120 is about 755.5698634674.

Adding to 431344120 its reverse (21443134), we get a palindrome (452787254).

The spelling of 431344120 in words is "four hundred thirty-one million, three hundred forty-four thousand, one hundred twenty".