1002031013203 has 6 divisors (see below), whose sum is σ = 1101405989852. Its totient is φ = 910937284620.

The previous prime is 1002031013173. The next prime is 1002031013231. The reversal of 1002031013203 is 3023101302001.

It is not a de Polignac number, because 1002031013203 - 2²⁹ = 1001494142291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002031013233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4140623901 + ... + 4140624142.

Almost surely, 2^{1002031013203} is an apocalyptic number.

1002031013203 is a deficient number, since it is larger than the sum of its proper divisors (99374976649).

1002031013203 is an equidigital number, since it uses as much as digits as its factorization.

1002031013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8281248065 (or 8281248054 counting only the distinct ones).

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

Adding to 1002031013203 its reverse (3023101302001), we get a palindrome (4025132315204).

The spelling of 1002031013203 in words is "one trillion, two billion, thirty-one million, thirteen thousand, two hundred three".