101320456427 has 2 divisors, whose sum is σ = 101320456428. Its totient is φ = 101320456426.

The previous prime is 101320456403. The next prime is 101320456459. The reversal of 101320456427 is 724654023101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101320456427 is a prime.

It is not a weakly prime, because it can be changed into another prime (101320456477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660228213 + 50660228214.

It is an arithmetic number, because the mean of its divisors is an integer number (50660228214).

Almost surely, 2^101320456427 is an apocalyptic number.

101320456427 is a deficient number, since it is larger than the sum of its proper divisors (1).

101320456427 is an equidigital number, since it uses as much as digits as its factorization.

101320456427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 101320456427 its reverse (724654023101), we get a palindrome (825974479528).

The spelling of 101320456427 in words is "one hundred one billion, three hundred twenty million, four hundred fifty-six thousand, four hundred twenty-seven".