431343213 has 16 divisors (see below), whose sum is σ = 661476480. Its totient is φ = 244910016.

The previous prime is 431343197. The next prime is 431343221. The reversal of 431343213 is 312343134.

It is not a de Polignac number, because 431343213 - 2⁴ = 431343197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431343233) 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, 62118 + ... + 68711.

It is an arithmetic number, because the mean of its divisors is an integer number (41342280).

Almost surely, 2^431343213 is an apocalyptic number.

It is an amenable number.

431343213 is a deficient number, since it is larger than the sum of its proper divisors (230133267).

431343213 is a wasteful number, since it uses less digits than its factorization.

431343213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130996.

The product of its digits is 2592, while the sum is 24.

The square root of 431343213 is about 20768.8038413386. The cubic root of 431343213 is about 755.5693338806.

Adding to 431343213 its reverse (312343134), we get a palindrome (743686347).

The spelling of 431343213 in words is "four hundred thirty-one million, three hundred forty-three thousand, two hundred thirteen".