431420322 has 32 divisors (see below), whose sum is σ = 915067584. Its totient is φ = 135129600.

The previous prime is 431420321. The next prime is 431420357. The reversal of 431420322 is 223024134.

It is a super-2 number, since 2×431420322² = 372246988469167368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431420321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 67422 + ... + 73542.

It is an arithmetic number, because the mean of its divisors is an integer number (28595862).

Almost surely, 2^431420322 is an apocalyptic number.

431420322 is an abundant number, since it is smaller than the sum of its proper divisors (483647262).

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

431420322 is a wasteful number, since it uses less digits than its factorization.

431420322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 431420322 is about 20770.6601243196. The cubic root of 431420322 is about 755.6143542748.

Adding to 431420322 its reverse (223024134), we get a palindrome (654444456).

The spelling of 431420322 in words is "four hundred thirty-one million, four hundred twenty thousand, three hundred twenty-two".