431212345 has 8 divisors (see below), whose sum is σ = 517576320. Its totient is φ = 344888880.

The previous prime is 431212283. The next prime is 431212363. The reversal of 431212345 is 543212134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431212345 - 2⁷ = 431212217 is a prime.

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, 23376 + ... + 37534.

It is an arithmetic number, because the mean of its divisors is an integer number (64697040).

Almost surely, 2^431212345 is an apocalyptic number.

It is an amenable number.

431212345 is a deficient number, since it is larger than the sum of its proper divisors (86363975).

431212345 is a wasteful number, since it uses less digits than its factorization.

431212345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20255.

The product of its digits is 2880, while the sum is 25.

The square root of 431212345 is about 20765.6530116440. The cubic root of 431212345 is about 755.4929138001.

Adding to 431212345 its reverse (543212134), we get a palindrome (974424479).

The spelling of 431212345 in words is "four hundred thirty-one million, two hundred twelve thousand, three hundred forty-five".