201312312213 has 8 divisors (see below), whose sum is σ = 268419554176. Its totient is φ = 134206639200.

The previous prime is 201312312199. The next prime is 201312312233. The reversal of 201312312213 is 312213213102.

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

It is not a de Polignac number, because 201312312213 - 2⁵ = 201312312181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201312312213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201312312233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50248 + ... + 636513.

It is an arithmetic number, because the mean of its divisors is an integer number (33552444272).

Almost surely, 2^201312312213 is an apocalyptic number.

It is an amenable number.

201312312213 is a deficient number, since it is larger than the sum of its proper divisors (67107241963).

201312312213 is an equidigital number, since it uses as much as digits as its factorization.

201312312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784475.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201312312213 its reverse (312213213102), we get a palindrome (513525525315).

The spelling of 201312312213 in words is "two hundred one billion, three hundred twelve million, three hundred twelve thousand, two hundred thirteen".