212213323031303 has 4 divisors (see below), whose sum is σ = 231505443306888. Its totient is φ = 192921202755720.

The previous prime is 212213323031299. The next prime is 212213323031323. The reversal of 212213323031303 is 303130323312212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212213323031303 - 2² = 212213323031299 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 (212213323031323) 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, 9646060137776 + ... + 9646060137797.

It is an arithmetic number, because the mean of its divisors is an integer number (57876360826722).

Almost surely, 2^{212213323031303} is an apocalyptic number.

212213323031303 is a deficient number, since it is larger than the sum of its proper divisors (19292120275585).

212213323031303 is a wasteful number, since it uses less digits than its factorization.

212213323031303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19292120275584.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 212213323031303 its reverse (303130323312212), we get a palindrome (515343646343515).

The spelling of 212213323031303 in words is "two hundred twelve trillion, two hundred thirteen billion, three hundred twenty-three million, thirty-one thousand, three hundred three".