2118884313 has 108 divisors (see below), whose sum is σ = 3802725360. Its totient is φ = 1043025984.

The previous prime is 2118884309. The next prime is 2118884329. The reversal of 2118884313 is 3134888112.

It is not a de Polignac number, because 2118884313 - 2² = 2118884309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2118884113) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 31625106 + ... + 31625172.

It is an arithmetic number, because the mean of its divisors is an integer number (35210420).

Almost surely, 2^2118884313 is an apocalyptic number.

It is an amenable number.

2118884313 is a deficient number, since it is larger than the sum of its proper divisors (1683841047).

2118884313 is a wasteful number, since it uses less digits than its factorization.

2118884313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 109 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 2118884313 is about 46031.3405518458. The cubic root of 2118884313 is about 1284.4062648921.

It can be divided in two parts, 21188 and 84313, that added together give a palindrome (105501).

The spelling of 2118884313 in words is "two billion, one hundred eighteen million, eight hundred eighty-four thousand, three hundred thirteen".