2120310311 has 24 divisors (see below), whose sum is σ = 2505409920. Its totient is φ = 1788946992.

The previous prime is 2120310299. The next prime is 2120310319. The reversal of 2120310311 is 1130130212.

It is not a de Polignac number, because 2120310311 - 2¹⁴ = 2120293927 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 902240 + ... + 904586.

It is an arithmetic number, because the mean of its divisors is an integer number (104392080).

Almost surely, 2^2120310311 is an apocalyptic number.

2120310311 is a deficient number, since it is larger than the sum of its proper divisors (385099609).

2120310311 is a wasteful number, since it uses less digits than its factorization.

2120310311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2120310311 is about 46046.8273717093. The cubic root of 2120310311 is about 1284.6943331663.

Adding to 2120310311 its reverse (1130130212), we get a palindrome (3250440523).

The spelling of 2120310311 in words is "two billion, one hundred twenty million, three hundred ten thousand, three hundred eleven".