30312274 has 16 divisors (see below), whose sum is σ = 47138688. Its totient is φ = 14609232.

The previous prime is 30312263. The next prime is 30312281. The reversal of 30312274 is 47221303.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3892 + ... + 8704.

It is an arithmetic number, because the mean of its divisors is an integer number (2946168).

Almost surely, 2^30312274 is an apocalyptic number.

30312274 is a deficient number, since it is larger than the sum of its proper divisors (16826414).

30312274 is a wasteful number, since it uses less digits than its factorization.

30312274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30312274 is about 5505.6583620853. The cubic root of 30312274 is about 311.7976512291.

Adding to 30312274 its reverse (47221303), we get a palindrome (77533577).

The spelling of 30312274 in words is "thirty million, three hundred twelve thousand, two hundred seventy-four".