2120310318 has 16 divisors (see below), whose sum is σ = 4846423680. Its totient is φ = 605802936.

The previous prime is 2120310299. The next prime is 2120310319. The reversal of 2120310318 is 8130130212.

It is a super-2 number, since 2×2120310318² = 8991431689234522248, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2120310294 and 2120310303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120310319) 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, 25241748 + ... + 25241831.

It is an arithmetic number, because the mean of its divisors is an integer number (302901480).

Almost surely, 2^2120310318 is an apocalyptic number.

2120310318 is an abundant number, since it is smaller than the sum of its proper divisors (2726113362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120310318 is a wasteful number, since it uses less digits than its factorization.

2120310318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50483591.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2120310318 is about 46046.8274477189. The cubic root of 2120310318 is about 1284.6943345800.

The spelling of 2120310318 in words is "two billion, one hundred twenty million, three hundred ten thousand, three hundred eighteen".