30976213 has 8 divisors (see below), whose sum is σ = 32680800. Its totient is φ = 29279088.

The previous prime is 30976207. The next prime is 30976217. The reversal of 30976213 is 31267903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30976213 - 2⁹ = 30975701 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 (30976217) 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 7 ways as a sum of consecutive naturals, for example, 8070 + ... + 11272.

It is an arithmetic number, because the mean of its divisors is an integer number (4085100).

It is a vampire number, since it can be written as 3203 ⋅ 9671 (with its own digits).

Almost surely, 2^30976213 is an apocalyptic number.

It is an amenable number.

30976213 is a deficient number, since it is larger than the sum of its proper divisors (1704587).

30976213 is a wasteful number, since it uses less digits than its factorization.

30976213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 30976213 is about 5565.6278172368. The cubic root of 30976213 is about 314.0576962690.

The spelling of 30976213 in words is "thirty million, nine hundred seventy-six thousand, two hundred thirteen".