431334434 has 16 divisors (see below), whose sum is σ = 668549376. Its totient is φ = 208498800.

The previous prime is 431334401. The next prime is 431334451. The reversal of 431334434 is 434433134.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 431334397 and 431334406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70664 + ... + 76524.

It is an arithmetic number, because the mean of its divisors is an integer number (41784336).

Almost surely, 2^431334434 is an apocalyptic number.

431334434 is a deficient number, since it is larger than the sum of its proper divisors (237214942).

431334434 is a wasteful number, since it uses less digits than its factorization.

431334434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7081.

The product of its digits is 20736, while the sum is 29.

The square root of 431334434 is about 20768.5924896224. The cubic root of 431334434 is about 755.5642078866.

Adding to 431334434 its reverse (434433134), we get a palindrome (865767568).

The spelling of 431334434 in words is "four hundred thirty-one million, three hundred thirty-four thousand, four hundred thirty-four".