2000018311 has 2 divisors, whose sum is σ = 2000018312. Its totient is φ = 2000018310.

The previous prime is 2000018309. The next prime is 2000018323. The reversal of 2000018311 is 1138100002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2000018311 - 2¹ = 2000018309 is a prime.

Together with 2000018309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000018341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000009155 + 1000009156.

It is an arithmetic number, because the mean of its divisors is an integer number (1000009156).

Almost surely, 2^2000018311 is an apocalyptic number.

2000018311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000018311 is an equidigital number, since it uses as much as digits as its factorization.

2000018311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2000018311 is about 44721.5642727309. The cubic root of 2000018311 is about 1259.9248949522.

Adding to 2000018311 its reverse (1138100002), we get a palindrome (3138118313).

The spelling of 2000018311 in words is "two billion, eighteen thousand, three hundred eleven".