30881764087063 has 2 divisors, whose sum is σ = 30881764087064. Its totient is φ = 30881764087062.

The previous prime is 30881764087007. The next prime is 30881764087117. The reversal of 30881764087063 is 36078046718803.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (36078046718803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30881764087063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30881764086992 and 30881764087010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30881764007063) 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, 15440882043531 + 15440882043532.

It is an arithmetic number, because the mean of its divisors is an integer number (15440882043532).

Almost surely, 2^{30881764087063} is an apocalyptic number.

30881764087063 is a deficient number, since it is larger than the sum of its proper divisors (1).

30881764087063 is an equidigital number, since it uses as much as digits as its factorization.

30881764087063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 30881764087063 in words is "thirty trillion, eight hundred eighty-one billion, seven hundred sixty-four million, eighty-seven thousand, sixty-three".