30102313 has 4 divisors (see below), whose sum is σ = 30130948. Its totient is φ = 30073680.

The previous prime is 30102299. The next prime is 30102329. The reversal of 30102313 is 31320103.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23116864 + 6985449 = 4808^2 + 2643^2 .

It is a cyclic number.

It is not a de Polignac number, because 30102313 - 2¹⁷ = 29971241 is a prime.

It is a super-2 number, since 2×30102313² = 1812298495899938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30102293 and 30102302.

It is not an unprimeable number, because it can be changed into a prime (30102383) 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, 12678 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (7532737).

Almost surely, 2^30102313 is an apocalyptic number.

It is an amenable number.

30102313 is a deficient number, since it is larger than the sum of its proper divisors (28635).

30102313 is a wasteful number, since it uses less digits than its factorization.

30102313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28634.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30102313 is about 5486.5574817002. The cubic root of 30102313 is about 311.0760834383.

Adding to 30102313 its reverse (31320103), we get a palindrome (61422416).

The spelling of 30102313 in words is "thirty million, one hundred two thousand, three hundred thirteen".