20212330311 has 6 divisors (see below), whose sum is σ = 29195588240. Its totient is φ = 13474886868.

The previous prime is 20212330309. The next prime is 20212330337. The reversal of 20212330311 is 11303321202.

20212330311 is a `hidden beast` number, since 2 + 0 + 21 + 2 + 330 + 311 = 666.

It is not a de Polignac number, because 20212330311 - 2¹ = 20212330309 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 (20212330211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1122907231 + ... + 1122907248.

Almost surely, 2^20212330311 is an apocalyptic number.

20212330311 is a deficient number, since it is larger than the sum of its proper divisors (8983257929).

20212330311 is a wasteful number, since it uses less digits than its factorization.

20212330311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245814485 (or 2245814482 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20212330311 its reverse (11303321202), we get a palindrome (31515651513).

It can be divided in two parts, 2021 and 2330311, that added together give a palindrome (2332332).

The spelling of 20212330311 in words is "twenty billion, two hundred twelve million, three hundred thirty thousand, three hundred eleven".