2102916313 has 4 divisors (see below), whose sum is σ = 2106561460. Its totient is φ = 2099271168.

The previous prime is 2102916311. The next prime is 2102916323. The reversal of 2102916313 is 3136192012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1168819344 + 934096969 = 34188^2 + 30563^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102916313 - 2¹ = 2102916311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102916311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821708 + ... + 1822861.

It is an arithmetic number, because the mean of its divisors is an integer number (526640365).

Almost surely, 2^2102916313 is an apocalyptic number.

It is an amenable number.

2102916313 is a deficient number, since it is larger than the sum of its proper divisors (3645147).

2102916313 is an equidigital number, since it uses as much as digits as its factorization.

2102916313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645146.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2102916313 is about 45857.5654936020. The cubic root of 2102916313 is about 1281.1716796289.

The spelling of 2102916313 in words is "two billion, one hundred two million, nine hundred sixteen thousand, three hundred thirteen".