30963144 has 16 divisors (see below), whose sum is σ = 77407920. Its totient is φ = 10321040.

The previous prime is 30963143. The next prime is 30963151. The reversal of 30963144 is 44136903.

It is not an unprimeable number, because it can be changed into a prime (30963143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645042 + ... + 645089.

It is an arithmetic number, because the mean of its divisors is an integer number (4837995).

Almost surely, 2^30963144 is an apocalyptic number.

It is an amenable number.

30963144 is an abundant number, since it is smaller than the sum of its proper divisors (46444776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30963144 is a wasteful number, since it uses less digits than its factorization.

30963144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290140 (or 1290136 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 30963144 is about 5564.4536119910. The cubic root of 30963144 is about 314.0135226167.

The spelling of 30963144 in words is "thirty million, nine hundred sixty-three thousand, one hundred forty-four".