20011034311 has 2 divisors, whose sum is σ = 20011034312. Its totient is φ = 20011034310.

The previous prime is 20011034279. The next prime is 20011034341. The reversal of 20011034311 is 11343011002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011034311 - 2⁵ = 20011034279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011034341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005517155 + 10005517156.

It is an arithmetic number, because the mean of its divisors is an integer number (10005517156).

Almost surely, 2^20011034311 is an apocalyptic number.

20011034311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011034311 is an equidigital number, since it uses as much as digits as its factorization.

20011034311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20011034311 its reverse (11343011002), we get a palindrome (31354045313).

The spelling of 20011034311 in words is "twenty billion, eleven million, thirty-four thousand, three hundred eleven".