20313101027 has 2 divisors, whose sum is σ = 20313101028. Its totient is φ = 20313101026.

The previous prime is 20313100999. The next prime is 20313101051. The reversal of 20313101027 is 72010131302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313101027 is a prime.

It is not a weakly prime, because it can be changed into another prime (20313101227) 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, 10156550513 + 10156550514.

It is an arithmetic number, because the mean of its divisors is an integer number (10156550514).

Almost surely, 2^20313101027 is an apocalyptic number.

20313101027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313101027 is an equidigital number, since it uses as much as digits as its factorization.

20313101027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 20313101027 its reverse (72010131302), we get a palindrome (92323232329).

The spelling of 20313101027 in words is "twenty billion, three hundred thirteen million, one hundred one thousand, twenty-seven".