2116356313 has 2 divisors, whose sum is σ = 2116356314. Its totient is φ = 2116356312.

The previous prime is 2116356289. The next prime is 2116356331. The reversal of 2116356313 is 3136536112.

Together with next prime (2116356331) 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., 2106167449 + 10188864 = 45893^2 + 3192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116356313 - 2¹³ = 2116348121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116356013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058178156 + 1058178157.

It is an arithmetic number, because the mean of its divisors is an integer number (1058178157).

Almost surely, 2^2116356313 is an apocalyptic number.

It is an amenable number.

2116356313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116356313 is an equidigital number, since it uses as much as digits as its factorization.

2116356313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 2116356313 is about 46003.8728043629. The cubic root of 2116356313 is about 1283.8952615027.

The spelling of 2116356313 in words is "two billion, one hundred sixteen million, three hundred fifty-six thousand, three hundred thirteen".