431244013 has 8 divisors (see below), whose sum is σ = 437623200. Its totient is φ = 424893168.

The previous prime is 431244001. The next prime is 431244031. The reversal of 431244013 is 310442134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431244013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431244053) 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, 24603 + ... + 38311.

It is an arithmetic number, because the mean of its divisors is an integer number (54702900).

Almost surely, 2^431244013 is an apocalyptic number.

It is an amenable number.

431244013 is a deficient number, since it is larger than the sum of its proper divisors (6379187).

431244013 is a wasteful number, since it uses less digits than its factorization.

431244013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14171.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 431244013 is about 20766.4155067744. The cubic root of 431244013 is about 755.5114076769.

Adding to 431244013 its reverse (310442134), we get a palindrome (741686147).

The spelling of 431244013 in words is "four hundred thirty-one million, two hundred forty-four thousand, thirteen".