20312011327 has 2 divisors, whose sum is σ = 20312011328. Its totient is φ = 20312011326.

The previous prime is 20312011309. The next prime is 20312011333. The reversal of 20312011327 is 72311021302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20312011327 - 2¹⁵ = 20311978559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20312011298 and 20312011307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20312011337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156005663 + 10156005664.

It is an arithmetic number, because the mean of its divisors is an integer number (10156005664).

Almost surely, 2^20312011327 is an apocalyptic number.

20312011327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312011327 is an equidigital number, since it uses as much as digits as its factorization.

20312011327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 20312011327 its reverse (72311021302), we get a palindrome (92623032629).

The spelling of 20312011327 in words is "twenty billion, three hundred twelve million, eleven thousand, three hundred twenty-seven".