1031320012003 has 16 divisors (see below), whose sum is σ = 1112909168160. Its totient is φ = 952066192896.

The previous prime is 1031320011959. The next prime is 1031320012033. The reversal of 1031320012003 is 3002100231301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031320012003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031320012033) 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, 3006088 + ... + 3331546.

It is an arithmetic number, because the mean of its divisors is an integer number (69556823010).

Almost surely, 2^{1031320012003} is an apocalyptic number.

1031320012003 is a deficient number, since it is larger than the sum of its proper divisors (81589156157).

1031320012003 is a wasteful number, since it uses less digits than its factorization.

1031320012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329046.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1031320012003 its reverse (3002100231301), we get a palindrome (4033420243304).

The spelling of 1031320012003 in words is "one trillion, thirty-one billion, three hundred twenty million, twelve thousand, three".