2102313 has 12 divisors (see below), whose sum is σ = 2877360. Its totient is φ = 1365336.

The previous prime is 2102311. The next prime is 2102323. The reversal of 2102313 is 3132012.

It is a happy number.

It is not a de Polignac number, because 2102313 - 2¹ = 2102311 is a prime.

It is an Ulam number.

2102313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2102311) 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, 5358 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (239780).

2^2102313 is an apocalyptic number.

It is an amenable number.

2102313 is a deficient number, since it is larger than the sum of its proper divisors (775047).

2102313 is an equidigital number, since it uses as much as digits as its factorization.

2102313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2102313 is about 1449.9355158075. The cubic root of 2102313 is about 128.1049147972.

Adding to 2102313 its reverse (3132012), we get a palindrome (5234325).

It can be divided in two parts, 2102 and 313, that added together give a triangular number (2415 = T₆₉).

The spelling of 2102313 in words is "two million, one hundred two thousand, three hundred thirteen".