2111202313 has 12 divisors (see below), whose sum is σ = 2328992260. Its totient is φ = 1912315680.

The previous prime is 2111202287. The next prime is 2111202319. The reversal of 2111202313 is 3132021112.

It can be written as a sum of positive squares in 2 ways, for example, as 207014544 + 1904187769 = 14388^2 + 43637^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2111202313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111202319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2023 + ... + 65011.

Almost surely, 2^2111202313 is an apocalyptic number.

It is an amenable number.

2111202313 is a deficient number, since it is larger than the sum of its proper divisors (217789947).

2111202313 is a wasteful number, since it uses less digits than its factorization.

2111202313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63288 (or 63277 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2111202313 is about 45947.8216349807. The cubic root of 2111202313 is about 1282.8521833476.

Adding to 2111202313 its reverse (3132021112), we get a palindrome (5243223425).

The spelling of 2111202313 in words is "two billion, one hundred eleven million, two hundred two thousand, three hundred thirteen".