30771677317 has 2 divisors, whose sum is σ = 30771677318. Its totient is φ = 30771677316.

The previous prime is 30771677311. The next prime is 30771677351. The reversal of 30771677317 is 71377617703.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27733573156 + 3038104161 = 166534^2 + 55119^2 .

It is a cyclic number.

It is not a de Polignac number, because 30771677317 - 2¹¹ = 30771675269 is a prime.

It is a super-2 number, since 2×30771677317² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30771677311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15385838658 + 15385838659.

It is an arithmetic number, because the mean of its divisors is an integer number (15385838659).

Almost surely, 2^30771677317 is an apocalyptic number.

It is an amenable number.

30771677317 is a deficient number, since it is larger than the sum of its proper divisors (1).

30771677317 is an equidigital number, since it uses as much as digits as its factorization.

30771677317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907578, while the sum is 49.

The spelling of 30771677317 in words is "thirty billion, seven hundred seventy-one million, six hundred seventy-seven thousand, three hundred seventeen".