30213313 has 24 divisors (see below), whose sum is σ = 34667520. Its totient is φ = 26282880.

The previous prime is 30213307. The next prime is 30213319. The reversal of 30213313 is 31331203.

It is an interprime number because it is at equal distance from previous prime (30213307) and next prime (30213319).

It is a de Polignac number, because none of the positive numbers 2^k-30213313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30213319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382408 + ... + 382486.

It is an arithmetic number, because the mean of its divisors is an integer number (1444480).

Almost surely, 2^30213313 is an apocalyptic number.

It is an amenable number.

30213313 is a deficient number, since it is larger than the sum of its proper divisors (4454207).

30213313 is a wasteful number, since it uses less digits than its factorization.

30213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 30213313 is about 5496.6638063465. The cubic root of 30213313 is about 311.4579709301.

Adding to 30213313 its reverse (31331203), we get a palindrome (61544516).

The spelling of 30213313 in words is "thirty million, two hundred thirteen thousand, three hundred thirteen".