431004213 has 16 divisors (see below), whose sum is σ = 676085760. Its totient is φ = 270433728.

The previous prime is 431004209. The next prime is 431004251. The reversal of 431004213 is 312400134.

It is not a de Polignac number, because 431004213 - 2² = 431004209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431004313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469045 + ... + 469962.

It is an arithmetic number, because the mean of its divisors is an integer number (42255360).

Almost surely, 2^431004213 is an apocalyptic number.

It is an amenable number.

431004213 is a deficient number, since it is larger than the sum of its proper divisors (245081547).

431004213 is a wasteful number, since it uses less digits than its factorization.

431004213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939033 (or 939027 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 431004213 is about 20760.6409583134. The cubic root of 431004213 is about 755.3713437212.

Adding to 431004213 its reverse (312400134), we get a palindrome (743404347).

The spelling of 431004213 in words is "four hundred thirty-one million, four thousand, two hundred thirteen".