1003131110323 has 32 divisors (see below), whose sum is σ = 1056984514560. Its totient is φ = 950195473920.

The previous prime is 1003131110309. The next prime is 1003131110357. The reversal of 1003131110323 is 3230111313001.

1003131110323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003131110323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1003131110323.

It is not an unprimeable number, because it can be changed into a prime (1003131110363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006149061 + ... + 1006150057.

It is an arithmetic number, because the mean of its divisors is an integer number (33030766080).

Almost surely, 2^{1003131110323} is an apocalyptic number.

1003131110323 is a deficient number, since it is larger than the sum of its proper divisors (53853404237).

1003131110323 is a wasteful number, since it uses less digits than its factorization.

1003131110323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1003131110323 its reverse (3230111313001), we get a palindrome (4233242423324).

The spelling of 1003131110323 in words is "one trillion, three billion, one hundred thirty-one million, one hundred ten thousand, three hundred twenty-three".