30960963 has 12 divisors (see below), whose sum is σ = 48787128. Its totient is φ = 18764160.

The previous prime is 30960959. The next prime is 30961019. The reversal of 30960963 is 36906903.

It is not a de Polignac number, because 30960963 - 2² = 30960959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30960913) 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 11 ways as a sum of consecutive naturals, for example, 156270 + ... + 156467.

It is an arithmetic number, because the mean of its divisors is an integer number (4065594).

Almost surely, 2^30960963 is an apocalyptic number.

30960963 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30960963 is a deficient number, since it is larger than the sum of its proper divisors (17826165).

30960963 is a wasteful number, since it uses less digits than its factorization.

30960963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312754 (or 312751 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 30960963 is about 5564.2576324250. The cubic root of 30960963 is about 314.0061495543.

The spelling of 30960963 in words is "thirty million, nine hundred sixty thousand, nine hundred sixty-three".