431231422003 has 16 divisors (see below), whose sum is σ = 460806635520. Its totient is φ = 402573435264.

The previous prime is 431231421979. The next prime is 431231422021. The reversal of 431231422003 is 300224132134.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431231422003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431231422093) 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, 1094475 + ... + 1435387.

It is an arithmetic number, because the mean of its divisors is an integer number (28800414720).

Almost surely, 2^431231422003 is an apocalyptic number.

431231422003 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

431231422003 is a deficient number, since it is larger than the sum of its proper divisors (29575213517).

431231422003 is a wasteful number, since it uses less digits than its factorization.

431231422003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342258.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 431231422003 its reverse (300224132134), we get a palindrome (731455554137).

The spelling of 431231422003 in words is "four hundred thirty-one billion, two hundred thirty-one million, four hundred twenty-two thousand, three".