30133012313021 has 2 divisors, whose sum is σ = 30133012313022. Its totient is φ = 30133012313020.

The previous prime is 30133012312937. The next prime is 30133012313039. The reversal of 30133012313021 is 12031321033103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29188238032996 + 944774280025 = 5402614^2 + 971995^2 .

It is an emirp because it is prime and its reverse (12031321033103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30133012313021 - 2²⁶ = 30132945204157 is a prime.

It is a super-2 number, since 2×30133012313021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30133012316021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15066506156510 + 15066506156511.

It is an arithmetic number, because the mean of its divisors is an integer number (15066506156511).

Almost surely, 2^{30133012313021} is an apocalyptic number.

It is an amenable number.

30133012313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

30133012313021 is an equidigital number, since it uses as much as digits as its factorization.

30133012313021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30133012313021 its reverse (12031321033103), we get a palindrome (42164333346124).

The spelling of 30133012313021 in words is "thirty trillion, one hundred thirty-three billion, twelve million, three hundred thirteen thousand, twenty-one".