431146834 has 4 divisors (see below), whose sum is σ = 646720254. Its totient is φ = 215573416.

The previous prime is 431146817. The next prime is 431146871. The reversal of 431146834 is 438641134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 269780625 + 161366209 = 16425^2 + 12703^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 431146834.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107786707 + ... + 107786710.

Almost surely, 2^431146834 is an apocalyptic number.

431146834 is a deficient number, since it is larger than the sum of its proper divisors (215573420).

431146834 is a wasteful number, since it uses less digits than its factorization.

431146834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215573419.

The product of its digits is 27648, while the sum is 34.

The square root of 431146834 is about 20764.0755633378. The cubic root of 431146834 is about 755.4546529885.

Adding to 431146834 its reverse (438641134), we get a palindrome (869787968).

The spelling of 431146834 in words is "four hundred thirty-one million, one hundred forty-six thousand, eight hundred thirty-four".