30048313 has 4 divisors (see below), whose sum is σ = 30144628. Its totient is φ = 29952000.

The previous prime is 30048307. The next prime is 30048341. The reversal of 30048313 is 31384003.

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 1447209 + 28601104 = 1203^2 + 5348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30048313 is a prime.

It is a super-2 number, since 2×30048313² = 1805802228291938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30048413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47688 + ... + 48313.

It is an arithmetic number, because the mean of its divisors is an integer number (7536157).

Almost surely, 2^30048313 is an apocalyptic number.

It is an amenable number.

30048313 is a deficient number, since it is larger than the sum of its proper divisors (96315).

30048313 is an equidigital number, since it uses as much as digits as its factorization.

30048313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96314.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30048313 is about 5481.6341541551. The cubic root of 30048313 is about 310.8899608289.

The spelling of 30048313 in words is "thirty million, forty-eight thousand, three hundred thirteen".