2111513313 has 32 divisors (see below), whose sum is σ = 3470252800. Its totient is φ = 1112092416.

The previous prime is 2111513293. The next prime is 2111513329. The reversal of 2111513313 is 3133151112.

It is not a de Polignac number, because 2111513313 - 2⁵ = 2111513281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2111513313.

It is not an unprimeable number, because it can be changed into a prime (2111513513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188103 + ... + 199011.

It is an arithmetic number, because the mean of its divisors is an integer number (108445400).

Almost surely, 2^2111513313 is an apocalyptic number.

It is an amenable number.

2111513313 is a deficient number, since it is larger than the sum of its proper divisors (1358739487).

2111513313 is a wasteful number, since it uses less digits than its factorization.

2111513313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641.

The product of its digits is 270, while the sum is 21.

The square root of 2111513313 is about 45951.2057839618. The cubic root of 2111513313 is about 1282.9151723275.

Adding to 2111513313 its reverse (3133151112), we get a palindrome (5244664425).

The spelling of 2111513313 in words is "two billion, one hundred eleven million, five hundred thirteen thousand, three hundred thirteen".