30302212313 has 2 divisors, whose sum is σ = 30302212314. Its totient is φ = 30302212312.

The previous prime is 30302212249. The next prime is 30302212331. The reversal of 30302212313 is 31321220303.

Together with next prime (30302212331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26560198729 + 3742013584 = 162973^2 + 61172^2 .

It is an emirp because it is prime and its reverse (31321220303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30302212313 - 2⁶ = 30302212249 is a prime.

It is not a weakly prime, because it can be changed into another prime (30302217313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151106156 + 15151106157.

It is an arithmetic number, because the mean of its divisors is an integer number (15151106157).

Almost surely, 2^30302212313 is an apocalyptic number.

It is an amenable number.

30302212313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30302212313 is an equidigital number, since it uses as much as digits as its factorization.

30302212313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30302212313 its reverse (31321220303), we get a palindrome (61623432616).

The spelling of 30302212313 in words is "thirty billion, three hundred two million, two hundred twelve thousand, three hundred thirteen".