431334432403 has 8 divisors (see below), whose sum is σ = 503442012672. Its totient is φ = 361848946056.

The previous prime is 431334432337. The next prime is 431334432413. The reversal of 431334432403 is 304234433134.

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

It is a cyclic number.

It is not a de Polignac number, because 431334432403 - 2¹³ = 431334424211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431334432413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655523125 + ... + 655523782.

It is an arithmetic number, because the mean of its divisors is an integer number (62930251584).

Almost surely, 2^431334432403 is an apocalyptic number.

431334432403 is a deficient number, since it is larger than the sum of its proper divisors (72107580269).

431334432403 is a wasteful number, since it uses less digits than its factorization.

431334432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311046961.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 431334432403 its reverse (304234433134), we get a palindrome (735568865537).

The spelling of 431334432403 in words is "four hundred thirty-one billion, three hundred thirty-four million, four hundred thirty-two thousand, four hundred three".