30120402344 has 32 divisors (see below), whose sum is σ = 56709918720. Its totient is φ = 14997834816.

The previous prime is 30120402317. The next prime is 30120402359. The reversal of 30120402344 is 44320402103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3894209 + ... + 3901935.

It is an arithmetic number, because the mean of its divisors is an integer number (1772184960).

Almost surely, 2^30120402344 is an apocalyptic number.

It is an amenable number.

30120402344 is a deficient number, since it is larger than the sum of its proper divisors (26589516376).

30120402344 is a wasteful number, since it uses less digits than its factorization.

30120402344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9689 (or 9685 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30120402344 its reverse (44320402103), we get a palindrome (74440804447).

The spelling of 30120402344 in words is "thirty billion, one hundred twenty million, four hundred two thousand, three hundred forty-four".