30313705 has 4 divisors (see below), whose sum is σ = 36376452. Its totient is φ = 24250960.

The previous prime is 30313697. The next prime is 30313709. The reversal of 30313705 is 50731303.

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 5433561 + 24880144 = 2331^2 + 4988^2 .

It is not a de Polignac number, because 30313705 - 2³ = 30313697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30313709) 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, 3031366 + ... + 3031375.

It is an arithmetic number, because the mean of its divisors is an integer number (9094113).

Almost surely, 2^30313705 is an apocalyptic number.

It is an amenable number.

30313705 is a deficient number, since it is larger than the sum of its proper divisors (6062747).

30313705 is an equidigital number, since it uses as much as digits as its factorization.

30313705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062746.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 30313705 is about 5505.7883177616. The cubic root of 30313705 is about 311.8025576620.

The spelling of 30313705 in words is "thirty million, three hundred thirteen thousand, seven hundred five".