431226213 has 24 divisors (see below), whose sum is σ = 652393728. Its totient is φ = 252912000.

The previous prime is 431226197. The next prime is 431226217. The reversal of 431226213 is 312622134.

It is not a de Polignac number, because 431226213 - 2⁴ = 431226197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431226217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7908 + ... + 30413.

It is an arithmetic number, because the mean of its divisors is an integer number (27183072).

Almost surely, 2^431226213 is an apocalyptic number.

It is an amenable number.

431226213 is a deficient number, since it is larger than the sum of its proper divisors (221167515).

431226213 is a wasteful number, since it uses less digits than its factorization.

431226213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38377 (or 38366 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 431226213 is about 20765.9869257399. The cubic root of 431226213 is about 755.5010127206.

Adding to 431226213 its reverse (312622134), we get a palindrome (743848347).

The spelling of 431226213 in words is "four hundred thirty-one million, two hundred twenty-six thousand, two hundred thirteen".