30244349281 has 2 divisors, whose sum is σ = 30244349282. Its totient is φ = 30244349280.

The previous prime is 30244349269. The next prime is 30244349309. The reversal of 30244349281 is 18294344203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27536083600 + 2708265681 = 165940^2 + 52041^2 .

It is an emirp because it is prime and its reverse (18294344203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30244349281 - 2¹³ = 30244341089 is a prime.

It is a super-2 number, since 2×30244349281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30244349221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15122174640 + 15122174641.

It is an arithmetic number, because the mean of its divisors is an integer number (15122174641).

Almost surely, 2^30244349281 is an apocalyptic number.

It is an amenable number.

30244349281 is a deficient number, since it is larger than the sum of its proper divisors (1).

30244349281 is an equidigital number, since it uses as much as digits as its factorization.

30244349281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 30244349281 in words is "thirty billion, two hundred forty-four million, three hundred forty-nine thousand, two hundred eighty-one".