30310093 has 4 divisors (see below), whose sum is σ = 33065568. Its totient is φ = 27554620.

The previous prime is 30310087. The next prime is 30310097. The reversal of 30310093 is 39001303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30310093 - 2²¹ = 28212941 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 30310093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30310097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377721 + ... + 1377742.

It is an arithmetic number, because the mean of its divisors is an integer number (8266392).

Almost surely, 2^30310093 is an apocalyptic number.

It is an amenable number.

30310093 is a deficient number, since it is larger than the sum of its proper divisors (2755475).

30310093 is a wasteful number, since it uses less digits than its factorization.

30310093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755474.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 30310093 is about 5505.4602895671. The cubic root of 30310093 is about 311.7901729934.

Adding to 30310093 its reverse (39001303), we get a palindrome (69311396).

The spelling of 30310093 in words is "thirty million, three hundred ten thousand, ninety-three".