20310320011019 has 2 divisors, whose sum is σ = 20310320011020. Its totient is φ = 20310320011018.

The previous prime is 20310320010961. The next prime is 20310320011043. The reversal of 20310320011019 is 91011002301302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20310320011019 - 2²⁰ = 20310318962443 is a prime.

It is a super-2 number, since 2×20310320011019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20310320010985 and 20310320011003.

It is not a weakly prime, because it can be changed into another prime (20310320001019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155160005509 + 10155160005510.

It is an arithmetic number, because the mean of its divisors is an integer number (10155160005510).

Almost surely, 2^{20310320011019} is an apocalyptic number.

20310320011019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310320011019 is an equidigital number, since it uses as much as digits as its factorization.

20310320011019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 20310320011019 in words is "twenty trillion, three hundred ten billion, three hundred twenty million, eleven thousand, nineteen".