431420312 has 16 divisors (see below), whose sum is σ = 809400840. Its totient is φ = 215580096.

The previous prime is 431420309. The next prime is 431420321. The reversal of 431420312 is 213024134.

It is a super-2 number, since 2×431420312² = 372246971212354688, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 29405.

Almost surely, 2^431420312 is an apocalyptic number.

It is an amenable number.

431420312 is a deficient number, since it is larger than the sum of its proper divisors (377980528).

431420312 is a wasteful number, since it uses less digits than its factorization.

431420312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32522 (or 32518 counting only the distinct ones).

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

The square root of 431420312 is about 20770.6598835954. The cubic root of 431420312 is about 755.6143484366.

Adding to 431420312 its reverse (213024134), we get a palindrome (644444446).

The spelling of 431420312 in words is "four hundred thirty-one million, four hundred twenty thousand, three hundred twelve".