30112933 has 12 divisors (see below), whose sum is σ = 33100740. Its totient is φ = 27356672.

The previous prime is 30112921. The next prime is 30112963. The reversal of 30112933 is 33921103.

It can be written as a sum of positive squares in 6 ways, for example, as 1361889 + 28751044 = 1167^2 + 5362^2 .

It is not a de Polignac number, because 30112933 - 2⁹ = 30112421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6585 + ... + 10177.

It is an arithmetic number, because the mean of its divisors is an integer number (2758395).

Almost surely, 2^30112933 is an apocalyptic number.

It is an amenable number.

30112933 is a deficient number, since it is larger than the sum of its proper divisors (2987807).

30112933 is a wasteful number, since it uses less digits than its factorization.

30112933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 30112933 is about 5487.5252163430. The cubic root of 30112933 is about 311.1126613538.

The spelling of 30112933 in words is "thirty million, one hundred twelve thousand, nine hundred thirty-three".