20133201311 has 2 divisors, whose sum is σ = 20133201312. Its totient is φ = 20133201310.

The previous prime is 20133201293. The next prime is 20133201313. The reversal of 20133201311 is 11310233102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20133201311 - 2²² = 20129007007 is a prime.

Together with 20133201313, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20133201311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133201313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066600655 + 10066600656.

It is an arithmetic number, because the mean of its divisors is an integer number (10066600656).

Almost surely, 2^20133201311 is an apocalyptic number.

20133201311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133201311 is an equidigital number, since it uses as much as digits as its factorization.

20133201311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20133201311 its reverse (11310233102), we get a palindrome (31443434413).

The spelling of 20133201311 in words is "twenty billion, one hundred thirty-three million, two hundred one thousand, three hundred eleven".