1113431112003 has 8 divisors (see below), whose sum is σ = 1696656932608. Its totient is φ = 636246349704.

The previous prime is 1113431111977. The next prime is 1113431112007. The reversal of 1113431112003 is 3002111343111.

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

It is a de Polignac number, because none of the positive numbers 2^k-1113431112003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 53020529143 = 1113431112003 / (1 + 1 + 1 + 3 + 4 + 3 + 1 + 1 + 1 + 2 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113431112007) 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, 26510264551 + ... + 26510264592.

It is an arithmetic number, because the mean of its divisors is an integer number (212082116576).

Almost surely, 2^{1113431112003} is an apocalyptic number.

1113431112003 is a deficient number, since it is larger than the sum of its proper divisors (583225820605).

1113431112003 is an equidigital number, since it uses as much as digits as its factorization.

1113431112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53020529153.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1113431112003 its reverse (3002111343111), we get a palindrome (4115542455114).

The spelling of 1113431112003 in words is "one trillion, one hundred thirteen billion, four hundred thirty-one million, one hundred twelve thousand, three".