30213100767979 has 2 divisors, whose sum is σ = 30213100767980. Its totient is φ = 30213100767978.

The previous prime is 30213100767977. The next prime is 30213100768027. The reversal of 30213100767979 is 97976700131203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30213100767979 - 2¹ = 30213100767977 is a prime.

Together with 30213100767977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30213100767977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106550383989 + 15106550383990.

It is an arithmetic number, because the mean of its divisors is an integer number (15106550383990).

Almost surely, 2^{30213100767979} is an apocalyptic number.

30213100767979 is a deficient number, since it is larger than the sum of its proper divisors (1).

30213100767979 is an equidigital number, since it uses as much as digits as its factorization.

30213100767979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000564, while the sum is 55.

The spelling of 30213100767979 in words is "thirty trillion, two hundred thirteen billion, one hundred million, seven hundred sixty-seven thousand, nine hundred seventy-nine".