101312311027 has 2 divisors, whose sum is σ = 101312311028. Its totient is φ = 101312311026.

The previous prime is 101312311013. The next prime is 101312311049. The reversal of 101312311027 is 720113213101.

It is an a-pointer prime, because the next prime (101312311049) can be obtained adding 101312311027 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101312311027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101312310989 and 101312311007.

It is not a weakly prime, because it can be changed into another prime (101312311627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50656155513 + 50656155514.

It is an arithmetic number, because the mean of its divisors is an integer number (50656155514).

Almost surely, 2^101312311027 is an apocalyptic number.

101312311027 is a deficient number, since it is larger than the sum of its proper divisors (1).

101312311027 is an equidigital number, since it uses as much as digits as its factorization.

101312311027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 101312311027 its reverse (720113213101), we get a palindrome (821425524128).

The spelling of 101312311027 in words is "one hundred one billion, three hundred twelve million, three hundred eleven thousand, twenty-seven".