30344121617 has 2 divisors, whose sum is σ = 30344121618. Its totient is φ = 30344121616.

The previous prime is 30344121583. The next prime is 30344121629. The reversal of 30344121617 is 71612144303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27641057536 + 2703064081 = 166256^2 + 51991^2 .

It is a cyclic number.

It is not a de Polignac number, because 30344121617 - 2¹² = 30344117521 is a prime.

It is not a weakly prime, because it can be changed into another prime (30344120617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15172060808 + 15172060809.

It is an arithmetic number, because the mean of its divisors is an integer number (15172060809).

Almost surely, 2^30344121617 is an apocalyptic number.

It is an amenable number.

30344121617 is a deficient number, since it is larger than the sum of its proper divisors (1).

30344121617 is an equidigital number, since it uses as much as digits as its factorization.

30344121617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 30344121617 in words is "thirty billion, three hundred forty-four million, one hundred twenty-one thousand, six hundred seventeen".