30321317 has 8 divisors (see below), whose sum is σ = 33707520. Its totient is φ = 27085680.

The previous prime is 30321299. The next prime is 30321323. The reversal of 30321317 is 71312303.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30321317 - 2¹⁴ = 30304933 is a prime.

It is a super-2 number, since 2×30321317² = 1838764529228978, 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 (30321817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37217 + ... + 38022.

It is an arithmetic number, because the mean of its divisors is an integer number (4213440).

Almost surely, 2^30321317 is an apocalyptic number.

It is an amenable number.

30321317 is a deficient number, since it is larger than the sum of its proper divisors (3386203).

30321317 is a wasteful number, since it uses less digits than its factorization.

30321317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75283.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 30321317 is about 5506.4795468611. The cubic root of 30321317 is about 311.8286541359.

The spelling of 30321317 in words is "thirty million, three hundred twenty-one thousand, three hundred seventeen".