1231441113403 has 8 divisors (see below), whose sum is σ = 1238313003200. Its totient is φ = 1224569975040.

The previous prime is 1231441113389. The next prime is 1231441113407. The reversal of 1231441113403 is 3043111441321.

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-1231441113403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231441113407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3276523 + ... + 3632971.

It is an arithmetic number, because the mean of its divisors is an integer number (154789125400).

Almost surely, 2^{1231441113403} is an apocalyptic number.

1231441113403 is a deficient number, since it is larger than the sum of its proper divisors (6871889797).

1231441113403 is a wasteful number, since it uses less digits than its factorization.

1231441113403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375717.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1231441113403 its reverse (3043111441321), we get a palindrome (4274552554724).

The spelling of 1231441113403 in words is "one trillion, two hundred thirty-one billion, four hundred forty-one million, one hundred thirteen thousand, four hundred three".