431111253 has 16 divisors (see below), whose sum is σ = 578240640. Its totient is φ = 285701184.

The previous prime is 431111243. The next prime is 431111321. The reversal of 431111253 is 352111134.

It is not a de Polignac number, because 431111253 - 2⁵ = 431111221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431111243) 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, 659875 + ... + 660527.

It is an arithmetic number, because the mean of its divisors is an integer number (36140040).

Almost surely, 2^431111253 is an apocalyptic number.

It is an amenable number.

431111253 is a deficient number, since it is larger than the sum of its proper divisors (147129387).

431111253 is a wasteful number, since it uses less digits than its factorization.

431111253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its digits is 360, while the sum is 21.

The square root of 431111253 is about 20763.2187533629. The cubic root of 431111253 is about 755.4338707636.

Adding to 431111253 its reverse (352111134), we get a palindrome (783222387).

The spelling of 431111253 in words is "four hundred thirty-one million, one hundred eleven thousand, two hundred fifty-three".