30669313 has 4 divisors (see below), whose sum is σ = 30684420. Its totient is φ = 30654208.

The previous prime is 30669307. The next prime is 30669319. The reversal of 30669313 is 31396603.

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

It is an interprime number because it is at equal distance from previous prime (30669307) and next prime (30669319).

It can be written as a sum of positive squares in 2 ways, for example, as 18045504 + 12623809 = 4248^2 + 3553^2 .

It is a cyclic number.

It is not a de Polignac number, because 30669313 - 2⁹ = 30668801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30669319) 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 3 ways as a sum of consecutive naturals, for example, 3928 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (7671105).

Almost surely, 2^30669313 is an apocalyptic number.

It is an amenable number.

30669313 is a deficient number, since it is larger than the sum of its proper divisors (15107).

30669313 is a wasteful number, since it uses less digits than its factorization.

30669313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 30669313 is about 5537.9881726129. The cubic root of 30669313 is about 313.0170656926.

The spelling of 30669313 in words is "thirty million, six hundred sixty-nine thousand, three hundred thirteen".