2112889313 has 2 divisors, whose sum is σ = 2112889314. Its totient is φ = 2112889312.

The previous prime is 2112889271. The next prime is 2112889327. The reversal of 2112889313 is 3139882112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2109381184 + 3508129 = 45928^2 + 1873^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112889313 - 2¹⁰ = 2112888289 is a prime.

It is a super-2 number, since 2×2112889313² = 8928602497979223938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112889343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056444656 + 1056444657.

It is an arithmetic number, because the mean of its divisors is an integer number (1056444657).

Almost surely, 2^2112889313 is an apocalyptic number.

It is an amenable number.

2112889313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112889313 is an equidigital number, since it uses as much as digits as its factorization.

2112889313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 2112889313 is about 45966.1757491310. The cubic root of 2112889313 is about 1283.1937889237.

The spelling of 2112889313 in words is "two billion, one hundred twelve million, eight hundred eighty-nine thousand, three hundred thirteen".