30319066 has 4 divisors (see below), whose sum is σ = 45478602. Its totient is φ = 15159532.

The previous prime is 30319063. The next prime is 30319073. The reversal of 30319066 is 66091303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22838841 + 7480225 = 4779^2 + 2735^2 .

It is a super-2 number, since 2×30319066² = 1838491526224712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30319063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7579765 + ... + 7579768.

Almost surely, 2^30319066 is an apocalyptic number.

30319066 is a deficient number, since it is larger than the sum of its proper divisors (15159536).

30319066 is a wasteful number, since it uses less digits than its factorization.

30319066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15159535.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 30319066 is about 5506.2751475022. The cubic root of 30319066 is about 311.8209374123.

The spelling of 30319066 in words is "thirty million, three hundred nineteen thousand, sixty-six".