2103313311 has 20 divisors (see below), whose sum is σ = 3427623144. Its totient is φ = 1274734800.

The previous prime is 2103313291. The next prime is 2103313339. The reversal of 2103313311 is 1133133012.

It is a happy number.

2103313311 is a `hidden beast` number, since 2 + 1 + 0 + 331 + 331 + 1 = 666.

It is not a de Polignac number, because 2103313311 - 2⁵ = 2103313279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103313391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1179420 + ... + 1181201.

Almost surely, 2^2103313311 is an apocalyptic number.

2103313311 is a deficient number, since it is larger than the sum of its proper divisors (1324309833).

2103313311 is a wasteful number, since it uses less digits than its factorization.

2103313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360644 (or 2360635 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2103313311 is about 45861.8938880635. The cubic root of 2103313311 is about 1281.2522963401.

Adding to 2103313311 its reverse (1133133012), we get a palindrome (3236446323).

The spelling of 2103313311 in words is "two billion, one hundred three million, three hundred thirteen thousand, three hundred eleven".