30313122313 has 2 divisors, whose sum is σ = 30313122314. Its totient is φ = 30313122312.

The previous prime is 30313122293. The next prime is 30313122317. The reversal of 30313122313 is 31322131303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17677563849 + 12635558464 = 132957^2 + 112408^2 .

It is a cyclic number.

It is not a de Polignac number, because 30313122313 - 2²⁵ = 30279567881 is a prime.

It is not a weakly prime, because it can be changed into another prime (30313122317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156561156 + 15156561157.

It is an arithmetic number, because the mean of its divisors is an integer number (15156561157).

Almost surely, 2^30313122313 is an apocalyptic number.

It is an amenable number.

30313122313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313122313 is an equidigital number, since it uses as much as digits as its factorization.

30313122313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30313122313 its reverse (31322131303), we get a palindrome (61635253616).

The spelling of 30313122313 in words is "thirty billion, three hundred thirteen million, one hundred twenty-two thousand, three hundred thirteen".