202312213 has 8 divisors (see below), whose sum is σ = 203522688. Its totient is φ = 201105744.

The previous prime is 202312211. The next prime is 202312261. The reversal of 202312213 is 312213202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202312213 - 2¹ = 202312211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202312211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205320 + ... + 206302.

It is an arithmetic number, because the mean of its divisors is an integer number (25440336).

Almost surely, 2^202312213 is an apocalyptic number.

It is an amenable number.

202312213 is a deficient number, since it is larger than the sum of its proper divisors (1210475).

202312213 is an equidigital number, since it uses as much as digits as its factorization.

202312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 202312213 is about 14223.6497777469. The cubic root of 202312213 is about 587.0485687393.

Adding to 202312213 its reverse (312213202), we get a palindrome (514525415).

The spelling of 202312213 in words is "two hundred two million, three hundred twelve thousand, two hundred thirteen".