30303312101 has 2 divisors, whose sum is σ = 30303312102. Its totient is φ = 30303312100.

The previous prime is 30303312089. The next prime is 30303312133. The reversal of 30303312101 is 10121330303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23225455201 + 7077856900 = 152399^2 + 84130^2 .

It is a cyclic number.

It is not a de Polignac number, because 30303312101 - 2⁶ = 30303312037 is a prime.

It is a super-2 number, since 2×30303312101² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30303312101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30303312161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151656050 + 15151656051.

It is an arithmetic number, because the mean of its divisors is an integer number (15151656051).

Almost surely, 2^30303312101 is an apocalyptic number.

It is an amenable number.

30303312101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30303312101 is an equidigital number, since it uses as much as digits as its factorization.

30303312101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30303312101 its reverse (10121330303), we get a palindrome (40424642404).

The spelling of 30303312101 in words is "thirty billion, three hundred three million, three hundred twelve thousand, one hundred one".