30100079 has 2 divisors, whose sum is σ = 30100080. Its totient is φ = 30100078.

The previous prime is 30100051. The next prime is 30100111. The reversal of 30100079 is 97000103.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30100079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30100079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30100019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050039 + 15050040.

It is an arithmetic number, because the mean of its divisors is an integer number (15050040).

Almost surely, 2^30100079 is an apocalyptic number.

30100079 is a deficient number, since it is larger than the sum of its proper divisors (1).

30100079 is an equidigital number, since it uses as much as digits as its factorization.

30100079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 30100079 is about 5486.3538894242. The cubic root of 30100079 is about 311.0683878928.

The spelling of 30100079 in words is "thirty million, one hundred thousand, seventy-nine".