1002008113 has 4 divisors (see below), whose sum is σ = 1014691840. Its totient is φ = 989324388.

The previous prime is 1002008099. The next prime is 1002008129. The reversal of 1002008113 is 3118002001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3118002001 = 757 ⋅4118893.

It is a cyclic number.

It is not a de Polignac number, because 1002008113 - 2⁵ = 1002008081 is a prime.

It is a super-3 number, since 3×1002008113³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002005113) 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, 6341745 + ... + 6341902.

It is an arithmetic number, because the mean of its divisors is an integer number (253672960).

Almost surely, 2^1002008113 is an apocalyptic number.

It is an amenable number.

1002008113 is a deficient number, since it is larger than the sum of its proper divisors (12683727).

1002008113 is an equidigital number, since it uses as much as digits as its factorization.

1002008113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683726.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1002008113 is about 31654.5117321370. The cubic root of 1002008113 is about 1000.6689234417.

The spelling of 1002008113 in words is "one billion, two million, eight thousand, one hundred thirteen".