30216101 has 2 divisors, whose sum is σ = 30216102. Its totient is φ = 30216100.

The previous prime is 30216097. The next prime is 30216107. The reversal of 30216101 is 10161203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26275876 + 3940225 = 5126^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 30216101 - 2² = 30216097 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30216107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15108050 + 15108051.

It is an arithmetic number, because the mean of its divisors is an integer number (15108051).

Almost surely, 2^30216101 is an apocalyptic number.

It is an amenable number.

30216101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30216101 is an equidigital number, since it uses as much as digits as its factorization.

30216101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 30216101 is about 5496.9174088756. The cubic root of 30216101 is about 311.4675507921.

Adding to 30216101 its reverse (10161203), we get a palindrome (40377304).

The spelling of 30216101 in words is "thirty million, two hundred sixteen thousand, one hundred one".