30240213 has 8 divisors (see below), whose sum is σ = 40543776. Its totient is φ = 20048400.

The previous prime is 30240209. The next prime is 30240251. The reversal of 30240213 is 31204203.

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

It is not a de Polignac number, because 30240213 - 2² = 30240209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30240192 and 30240201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240013) 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, 27303 + ... + 28388.

It is an arithmetic number, because the mean of its divisors is an integer number (5067972).

Almost surely, 2^30240213 is an apocalyptic number.

It is an amenable number.

30240213 is a deficient number, since it is larger than the sum of its proper divisors (10303563).

30240213 is a wasteful number, since it uses less digits than its factorization.

30240213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55875.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30240213 is about 5499.1102007507. The cubic root of 30240213 is about 311.5503775917.

Adding to 30240213 its reverse (31204203), we get a palindrome (61444416).

The spelling of 30240213 in words is "thirty million, two hundred forty thousand, two hundred thirteen".