213202313 has 4 divisors (see below), whose sum is σ = 213412560. Its totient is φ = 212992068.

The previous prime is 213202309. The next prime is 213202331. The reversal of 213202313 is 313202312.

213202313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213202313 - 2² = 213202309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213202291 and 213202300.

It is not an unprimeable number, because it can be changed into a prime (213202303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103595 + ... + 105632.

It is an arithmetic number, because the mean of its divisors is an integer number (53353140).

Almost surely, 2^213202313 is an apocalyptic number.

It is an amenable number.

213202313 is a deficient number, since it is larger than the sum of its proper divisors (210247).

213202313 is a wasteful number, since it uses less digits than its factorization.

213202313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210246.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213202313 is about 14601.4490034380. The cubic root of 213202313 is about 597.3982838354.

Adding to 213202313 its reverse (313202312), we get a palindrome (526404625).

Subtracting 213202313 from its reverse (313202312), we obtain a palindrome (99999999).

The spelling of 213202313 in words is "two hundred thirteen million, two hundred two thousand, three hundred thirteen".