2102402313 has 24 divisors (see below), whose sum is σ = 3362332896. Its totient is φ = 1255161600.

The previous prime is 2102402293. The next prime is 2102402317. The reversal of 2102402313 is 3132042012.

It is not a de Polignac number, because 2102402313 - 2⁹ = 2102401801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102402317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151848 + ... + 165113.

It is an arithmetic number, because the mean of its divisors is an integer number (140097204).

Almost surely, 2^2102402313 is an apocalyptic number.

It is an amenable number.

2102402313 is a deficient number, since it is larger than the sum of its proper divisors (1259930583).

2102402313 is a wasteful number, since it uses less digits than its factorization.

2102402313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317045 (or 317042 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2102402313 is about 45851.9608413861. The cubic root of 2102402313 is about 1281.0672887411.

Adding to 2102402313 its reverse (3132042012), we get a palindrome (5234444325).

The spelling of 2102402313 in words is "two billion, one hundred two million, four hundred two thousand, three hundred thirteen".