30100223281 has 2 divisors, whose sum is σ = 30100223282. Its totient is φ = 30100223280.

The previous prime is 30100223203. The next prime is 30100223327. The reversal of 30100223281 is 18232200103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20615216400 + 9485006881 = 143580^2 + 97391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30100223281 is a prime.

It is a super-2 number, since 2×30100223281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30100293281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050111640 + 15050111641.

It is an arithmetic number, because the mean of its divisors is an integer number (15050111641).

Almost surely, 2^30100223281 is an apocalyptic number.

It is an amenable number.

30100223281 is a deficient number, since it is larger than the sum of its proper divisors (1).

30100223281 is an equidigital number, since it uses as much as digits as its factorization.

30100223281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 30100223281 its reverse (18232200103), we get a palindrome (48332423384).

The spelling of 30100223281 in words is "thirty billion, one hundred million, two hundred twenty-three thousand, two hundred eighty-one".