202313313 has 12 divisors (see below), whose sum is σ = 304936320. Its totient is φ = 129011256.

The previous prime is 202313297. The next prime is 202313329. The reversal of 202313313 is 313313202.

It is an interprime number because it is at equal distance from previous prime (202313297) and next prime (202313329).

It is not a de Polignac number, because 202313313 - 2⁴ = 202313297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202313513) 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, 488473 + ... + 488886.

It is an arithmetic number, because the mean of its divisors is an integer number (25411360).

Almost surely, 2^202313313 is an apocalyptic number.

202313313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

202313313 is a deficient number, since it is larger than the sum of its proper divisors (102623007).

202313313 is a wasteful number, since it uses less digits than its factorization.

202313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977388 (or 977385 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 202313313 is about 14223.6884456881. The cubic root of 202313313 is about 587.0496326927.

Adding to 202313313 its reverse (313313202), we get a palindrome (515626515).

The spelling of 202313313 in words is "two hundred two million, three hundred thirteen thousand, three hundred thirteen".