431213126 has 16 divisors (see below), whose sum is σ = 693541440. Its totient is φ = 200353920.

The previous prime is 431213089. The next prime is 431213129. The reversal of 431213126 is 621312134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431213129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77585 + ... + 82956.

It is an arithmetic number, because the mean of its divisors is an integer number (43346340).

Almost surely, 2^431213126 is an apocalyptic number.

431213126 is a deficient number, since it is larger than the sum of its proper divisors (262328314).

431213126 is a wasteful number, since it uses less digits than its factorization.

431213126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160639.

The product of its digits is 864, while the sum is 23.

The square root of 431213126 is about 20765.6718167268. The cubic root of 431213126 is about 755.4933699092.

The spelling of 431213126 in words is "four hundred thirty-one million, two hundred thirteen thousand, one hundred twenty-six".