1002003113 has 8 divisors (see below), whose sum is σ = 1013768448. Its totient is φ = 990267264.

The previous prime is 1002003089. The next prime is 1002003127. The reversal of 1002003113 is 3113002001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002003113 - 2⁸ = 1002002857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002003094 and 1002003103.

It is not an unprimeable number, because it can be changed into a prime (1002003143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65120 + ... + 79022.

It is an arithmetic number, because the mean of its divisors is an integer number (126721056).

Almost surely, 2^1002003113 is an apocalyptic number.

It is an amenable number.

1002003113 is a deficient number, since it is larger than the sum of its proper divisors (11765335).

1002003113 is an equidigital number, since it uses as much as digits as its factorization.

1002003113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14743.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1002003113 is about 31654.4327543553. The cubic root of 1002003113 is about 1000.6672589997.

Adding to 1002003113 its reverse (3113002001), we get a palindrome (4115005114).

The spelling of 1002003113 in words is "one billion, two million, three thousand, one hundred thirteen".