30312201 has 8 divisors (see below), whose sum is σ = 42543520. Its totient is φ = 19144512.

The previous prime is 30312199. The next prime is 30312211. The reversal of 30312201 is 10221303.

It is a happy number.

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

It is not a de Polignac number, because 30312201 - 2¹ = 30312199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312211) 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, 265840 + ... + 265953.

It is an arithmetic number, because the mean of its divisors is an integer number (5317940).

Almost surely, 2^30312201 is an apocalyptic number.

It is an amenable number.

30312201 is a deficient number, since it is larger than the sum of its proper divisors (12231319).

30312201 is a wasteful number, since it uses less digits than its factorization.

30312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531815.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30312201 is about 5505.6517325381. The cubic root of 30312201 is about 311.7974009318.

Adding to 30312201 its reverse (10221303), we get a palindrome (40533504).

The spelling of 30312201 in words is "thirty million, three hundred twelve thousand, two hundred one".