20003102311 has 2 divisors, whose sum is σ = 20003102312. Its totient is φ = 20003102310.

The previous prime is 20003102303. The next prime is 20003102401. The reversal of 20003102311 is 11320130002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20003102311 - 2³ = 20003102303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003102291 and 20003102300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20103102311) 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, 10001551155 + 10001551156.

It is an arithmetic number, because the mean of its divisors is an integer number (10001551156).

Almost surely, 2^20003102311 is an apocalyptic number.

20003102311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003102311 is an equidigital number, since it uses as much as digits as its factorization.

20003102311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20003102311 its reverse (11320130002), we get a palindrome (31323232313).

The spelling of 20003102311 in words is "twenty billion, three million, one hundred two thousand, three hundred eleven".