30321101 has 2 divisors, whose sum is σ = 30321102. Its totient is φ = 30321100.

The previous prime is 30321091. The next prime is 30321113. The reversal of 30321101 is 10112303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26522500 + 3798601 = 5150^2 + 1949^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321101 - 2¹⁸ = 30058957 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30321121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160550 + 15160551.

It is an arithmetic number, because the mean of its divisors is an integer number (15160551).

Almost surely, 2^30321101 is an apocalyptic number.

It is an amenable number.

30321101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321101 is an equidigital number, since it uses as much as digits as its factorization.

30321101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 30321101 is about 5506.4599335689. The cubic root of 30321101 is about 311.8279136761.

Adding to 30321101 its reverse (10112303), we get a palindrome (40433404).

The spelling of 30321101 in words is "thirty million, three hundred twenty-one thousand, one hundred one".