30915213029 has 2 divisors, whose sum is σ = 30915213030. Its totient is φ = 30915213028.

The previous prime is 30915213019. The next prime is 30915213053. The reversal of 30915213029 is 92031251903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16545676900 + 14369536129 = 128630^2 + 119873^2 .

It is a cyclic number.

It is not a de Polignac number, because 30915213029 - 2⁴ = 30915213013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30915213029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30915213019) 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, 15457606514 + 15457606515.

It is an arithmetic number, because the mean of its divisors is an integer number (15457606515).

Almost surely, 2^30915213029 is an apocalyptic number.

It is an amenable number.

30915213029 is a deficient number, since it is larger than the sum of its proper divisors (1).

30915213029 is an equidigital number, since it uses as much as digits as its factorization.

30915213029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The spelling of 30915213029 in words is "thirty billion, nine hundred fifteen million, two hundred thirteen thousand, twenty-nine".