2001313113 has 16 divisors (see below), whose sum is σ = 2763892800. Its totient is φ = 1286586560.

The previous prime is 2001313103. The next prime is 2001313121. The reversal of 2001313113 is 3113131002.

It is a cyclic number.

It is not a de Polignac number, because 2001313113 - 2²⁰ = 2000264537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001313092 and 2001313101.

It is not an unprimeable number, because it can be changed into a prime (2001313103) 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, 57418 + ... + 85436.

It is an arithmetic number, because the mean of its divisors is an integer number (172743300).

Almost surely, 2^2001313113 is an apocalyptic number.

It is an amenable number.

2001313113 is a deficient number, since it is larger than the sum of its proper divisors (762579687).

2001313113 is a wasteful number, since it uses less digits than its factorization.

2001313113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28872.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2001313113 is about 44736.0381907026. The cubic root of 2001313113 is about 1260.1967260230.

Adding to 2001313113 its reverse (3113131002), we get a palindrome (5114444115).

The spelling of 2001313113 in words is "two billion, one million, three hundred thirteen thousand, one hundred thirteen".