431234 has 4 divisors (see below), whose sum is σ = 646854. Its totient is φ = 215616.

The previous prime is 431219. The next prime is 431237. The reversal of 431234 is 432134.

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., 429025 + 2209 = 655^2 + 47^2 .

It is not an unprimeable number, because it can be changed into a prime (431237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107807 + ... + 107810.

2⁴³¹²³⁴ is an apocalyptic number.

431234 is a deficient number, since it is larger than the sum of its proper divisors (215620).

431234 is a wasteful number, since it uses less digits than its factorization.

431234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215619.

The product of its digits is 288, while the sum is 17.

The square root of 431234 is about 656.6840945234. The cubic root of 431234 is about 75.5505560257.

Adding to 431234 its reverse (432134), we get a palindrome (863368).

Subtracting 431234 from its reverse (432134), we obtain a square (900 = 30²).

The spelling of 431234 in words is "four hundred thirty-one thousand, two hundred thirty-four".