30942963 has 24 divisors (see below), whose sum is σ = 47860800. Its totient is φ = 19205424.

The previous prime is 30942959. The next prime is 30942997. The reversal of 30942963 is 36924903.

It is a happy number.

It is not a de Polignac number, because 30942963 - 2² = 30942959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30942943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8556 + ... + 11622.

It is an arithmetic number, because the mean of its divisors is an integer number (1994200).

Almost surely, 2^30942963 is an apocalyptic number.

30942963 is a deficient number, since it is larger than the sum of its proper divisors (16917837).

30942963 is a wasteful number, since it uses less digits than its factorization.

30942963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151 (or 3148 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 30942963 is about 5562.6399308242. The cubic root of 30942963 is about 313.9452857457.

The spelling of 30942963 in words is "thirty million, nine hundred forty-two thousand, nine hundred sixty-three".