210311321213 has 8 divisors (see below), whose sum is σ = 254494372032. Its totient is φ = 169662914496.

The previous prime is 210311321191. The next prime is 210311321279. The reversal of 210311321213 is 312123113012.

It is a happy number.

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 210311321213 - 2⁸ = 210311320957 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 (210311321513) 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, 883660895 + ... + 883661132.

It is an arithmetic number, because the mean of its divisors is an integer number (31811796504).

Almost surely, 2^210311321213 is an apocalyptic number.

It is an amenable number.

210311321213 is a deficient number, since it is larger than the sum of its proper divisors (44183050819).

210311321213 is a wasteful number, since it uses less digits than its factorization.

210311321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767322051.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 210311321213 its reverse (312123113012), we get a palindrome (522434434225).

The spelling of 210311321213 in words is "two hundred ten billion, three hundred eleven million, three hundred twenty-one thousand, two hundred thirteen".