30100133081 has 2 divisors, whose sum is σ = 30100133082. Its totient is φ = 30100133080.

The previous prime is 30100133053. The next prime is 30100133083. The reversal of 30100133081 is 18033100103.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29846017600 + 254115481 = 172760^2 + 15941^2 .

It is a cyclic number.

It is not a de Polignac number, because 30100133081 - 2¹⁰ = 30100132057 is a prime.

It is a super-2 number, since 2×30100133081² (a number of 22 digits) contains 22 as substring.

Together with 30100133083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30100133083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050066540 + 15050066541.

It is an arithmetic number, because the mean of its divisors is an integer number (15050066541).

Almost surely, 2^30100133081 is an apocalyptic number.

It is an amenable number.

30100133081 is a deficient number, since it is larger than the sum of its proper divisors (1).

30100133081 is an equidigital number, since it uses as much as digits as its factorization.

30100133081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30100133081 its reverse (18033100103), we get a palindrome (48133233184).

The spelling of 30100133081 in words is "thirty billion, one hundred million, one hundred thirty-three thousand, eighty-one".