1003111444031 has 4 divisors (see below), whose sum is σ = 1026439617192. Its totient is φ = 979783270872.

The previous prime is 1003111444019. The next prime is 1003111444039. The reversal of 1003111444031 is 1304441113001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003111444031 is a prime.

It is a super-2 number, since 2×1003111444031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003111443988 and 1003111444006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003111444039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11664086516 + ... + 11664086601.

It is an arithmetic number, because the mean of its divisors is an integer number (256609904298).

Almost surely, 2^{1003111444031} is an apocalyptic number.

1003111444031 is a deficient number, since it is larger than the sum of its proper divisors (23328173161).

1003111444031 is an equidigital number, since it uses as much as digits as its factorization.

1003111444031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23328173160.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1003111444031 its reverse (1304441113001), we get a palindrome (2307552557032).

The spelling of 1003111444031 in words is "one trillion, three billion, one hundred eleven million, four hundred forty-four thousand, thirty-one".