30331321213147 has 2 divisors, whose sum is σ = 30331321213148. Its totient is φ = 30331321213146.

The previous prime is 30331321213099. The next prime is 30331321213153. The reversal of 30331321213147 is 74131212313303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30331321213147 - 2³¹ = 30329173729499 is a prime.

It is not a weakly prime, because it can be changed into another prime (30331321213847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165660606573 + 15165660606574.

It is an arithmetic number, because the mean of its divisors is an integer number (15165660606574).

Almost surely, 2^{30331321213147} is an apocalyptic number.

30331321213147 is a deficient number, since it is larger than the sum of its proper divisors (1).

30331321213147 is an equidigital number, since it uses as much as digits as its factorization.

30331321213147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 30331321213147 in words is "thirty trillion, three hundred thirty-one billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred forty-seven".