30313243124 has 6 divisors (see below), whose sum is σ = 53048175474. Its totient is φ = 15156621560.

The previous prime is 30313243123. The next prime is 30313243127. The reversal of 30313243124 is 42134231303.

It can be written as a sum of positive squares in only one way, i.e., 28335662224 + 1977580900 = 168332^2 + 44470^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30313243093 and 30313243102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313243123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3789155387 + ... + 3789155394.

It is an arithmetic number, because the mean of its divisors is an integer number (8841362579).

Almost surely, 2^30313243124 is an apocalyptic number.

It is an amenable number.

30313243124 is a deficient number, since it is larger than the sum of its proper divisors (22734932350).

30313243124 is a wasteful number, since it uses less digits than its factorization.

30313243124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578310785 (or 7578310783 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 30313243124 its reverse (42134231303), we get a palindrome (72447474427).

The spelling of 30313243124 in words is "thirty billion, three hundred thirteen million, two hundred forty-three thousand, one hundred twenty-four".