30313021244 has 24 divisors (see below), whose sum is σ = 57885679488. Its totient is φ = 13774987440.

The previous prime is 30313021237. The next prime is 30313021247. The reversal of 30313021244 is 44212031303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313021247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79727 + ... + 258809.

It is an arithmetic number, because the mean of its divisors is an integer number (2411903312).

Almost surely, 2^30313021244 is an apocalyptic number.

It is an amenable number.

30313021244 is a deficient number, since it is larger than the sum of its proper divisors (27572658244).

30313021244 is a wasteful number, since it uses less digits than its factorization.

30313021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182945 (or 182943 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30313021244 its reverse (44212031303), we get a palindrome (74525052547).

The spelling of 30313021244 in words is "thirty billion, three hundred thirteen million, twenty-one thousand, two hundred forty-four".