30321049 has 4 divisors (see below), whose sum is σ = 33077520. Its totient is φ = 27564580.

The previous prime is 30321041. The next prime is 30321073. The reversal of 30321049 is 94012303.

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 30321049 - 2³ = 30321041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30321041) 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, 1378219 + ... + 1378240.

It is an arithmetic number, because the mean of its divisors is an integer number (8269380).

Almost surely, 2^30321049 is an apocalyptic number.

It is an amenable number.

30321049 is a deficient number, since it is larger than the sum of its proper divisors (2756471).

30321049 is a wasteful number, since it uses less digits than its factorization.

30321049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756470.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 30321049 is about 5506.4552118400. The cubic root of 30321049 is about 311.8277354168.

The spelling of 30321049 in words is "thirty million, three hundred twenty-one thousand, forty-nine".