30102293 has 8 divisors (see below), whose sum is σ = 32497248. Its totient is φ = 27718704.

The previous prime is 30102277. The next prime is 30102299. The reversal of 30102293 is 39220103.

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

It is not a de Polignac number, because 30102293 - 2⁴ = 30102277 is a prime.

It is a super-2 number, since 2×30102293² = 1812296087715698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102299) 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, 3146 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (4062156).

Almost surely, 2^30102293 is an apocalyptic number.

It is an amenable number.

30102293 is a deficient number, since it is larger than the sum of its proper divisors (2394955).

30102293 is a wasteful number, since it uses less digits than its factorization.

30102293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30102293 is about 5486.5556590633. Note that the first 3 decimals coincide. The cubic root of 30102293 is about 311.0760145452.

Adding to 30102293 its reverse (39220103), we get a palindrome (69322396).

The spelling of 30102293 in words is "thirty million, one hundred two thousand, two hundred ninety-three".