30315242243 has 32 divisors (see below), whose sum is σ = 36220830912. Its totient is φ = 25008998400.

The previous prime is 30315242233. The next prime is 30315242257. The reversal of 30315242243 is 34224251303.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30315242243 - 2⁶ = 30315242179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30315242233) 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 in 31 ways as a sum of consecutive naturals, for example, 3304583 + ... + 3313743.

It is an arithmetic number, because the mean of its divisors is an integer number (1131900966).

Almost surely, 2^30315242243 is an apocalyptic number.

30315242243 is a deficient number, since it is larger than the sum of its proper divisors (5905588669).

30315242243 is a wasteful number, since it uses less digits than its factorization.

30315242243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9575.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 30315242243 its reverse (34224251303), we get a palindrome (64539493546).

The spelling of 30315242243 in words is "thirty billion, three hundred fifteen million, two hundred forty-two thousand, two hundred forty-three".