30342261 has 8 divisors (see below), whose sum is σ = 40501440. Its totient is φ = 20205632.

The previous prime is 30342253. The next prime is 30342269. The reversal of 30342261 is 16224303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30342253) and next prime (30342269).

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 30342261 - 2³ = 30342253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (5062680).

Almost surely, 2^30342261 is an apocalyptic number.

It is an amenable number.

30342261 is a deficient number, since it is larger than the sum of its proper divisors (10159179).

30342261 is a wasteful number, since it uses less digits than its factorization.

30342261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11275.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30342261 is about 5508.3809781096. The cubic root of 30342261 is about 311.9004346173.

Adding to 30342261 its reverse (16224303), we get a palindrome (46566564).

It can be divided in two parts, 30342 and 261, that added together give a palindrome (30603).

The spelling of 30342261 in words is "thirty million, three hundred forty-two thousand, two hundred sixty-one".