20410343311 has 2 divisors, whose sum is σ = 20410343312. Its totient is φ = 20410343310.

The previous prime is 20410343309. The next prime is 20410343441. The reversal of 20410343311 is 11334301402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20410343311 - 2¹ = 20410343309 is a prime.

It is a super-2 number, since 2×20410343311² (a number of 21 digits) contains 22 as substring.

Together with 20410343309, 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 (20410343111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205171655 + 10205171656.

It is an arithmetic number, because the mean of its divisors is an integer number (10205171656).

Almost surely, 2^20410343311 is an apocalyptic number.

20410343311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20410343311 is an equidigital number, since it uses as much as digits as its factorization.

20410343311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20410343311 its reverse (11334301402), we get a palindrome (31744644713).

The spelling of 20410343311 in words is "twenty billion, four hundred ten million, three hundred forty-three thousand, three hundred eleven".