30213387 has 6 divisors (see below), whose sum is σ = 43641572. Its totient is φ = 20142252.

The previous prime is 30213377. The next prime is 30213397. The reversal of 30213387 is 78331203.

It is an interprime number because it is at equal distance from previous prime (30213377) and next prime (30213397).

It is not a de Polignac number, because 30213387 - 2⁷ = 30213259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30213387.

It is not an unprimeable number, because it can be changed into a prime (30213307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1678513 + ... + 1678530.

Almost surely, 2^30213387 is an apocalyptic number.

30213387 is a deficient number, since it is larger than the sum of its proper divisors (13428185).

30213387 is a wasteful number, since it uses less digits than its factorization.

30213387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357049 (or 3357046 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30213387 is about 5496.6705376983. The cubic root of 30213387 is about 311.4582252095.

It can be divided in two parts, 302 and 13387, that added together give a square (13689 = 117²).

The spelling of 30213387 in words is "thirty million, two hundred thirteen thousand, three hundred eighty-seven".