30111312313 has 2 divisors, whose sum is σ = 30111312314. Its totient is φ = 30111312312.

The previous prime is 30111312299. The next prime is 30111312323. The reversal of 30111312313 is 31321311103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29643541929 + 467770384 = 172173^2 + 21628^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111312313 - 2⁵ = 30111312281 is a prime.

It is a super-2 number, since 2×30111312313² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30111312323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055656156 + 15055656157.

It is an arithmetic number, because the mean of its divisors is an integer number (15055656157).

Almost surely, 2^30111312313 is an apocalyptic number.

It is an amenable number.

30111312313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111312313 is an equidigital number, since it uses as much as digits as its factorization.

30111312313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 30111312313 its reverse (31321311103), we get a palindrome (61432623416).

The spelling of 30111312313 in words is "thirty billion, one hundred eleven million, three hundred twelve thousand, three hundred thirteen".