431340324 has 24 divisors (see below), whose sum is σ = 1038928128. Its totient is φ = 139141920.

The previous prime is 431340313. The next prime is 431340331. The reversal of 431340324 is 423043134.

It is a junction number, because it is equal to n+sod(n) for n = 431340294 and 431340303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579387 + ... + 580130.

It is an arithmetic number, because the mean of its divisors is an integer number (43288672).

Almost surely, 2^431340324 is an apocalyptic number.

It is an amenable number.

431340324 is an abundant number, since it is smaller than the sum of its proper divisors (607587804).

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

431340324 is a wasteful number, since it uses less digits than its factorization.

431340324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159555 (or 1159553 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 431340324 is about 20768.7342897924. The cubic root of 431340324 is about 755.5676470223.

Adding to 431340324 its reverse (423043134), we get a palindrome (854383458).

The spelling of 431340324 in words is "four hundred thirty-one million, three hundred forty thousand, three hundred twenty-four".