213121010330311 has 8 divisors (see below), whose sum is σ = 215767105313760. Its totient is φ = 210480503722368.

The previous prime is 213121010330237. The next prime is 213121010330329. The reversal of 213121010330311 is 113033010121312.

213121010330311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213121010330311 - 2¹³ = 213121010322119 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 (213121010330611) 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, 1397017131 + ... + 1397169676.

It is an arithmetic number, because the mean of its divisors is an integer number (26970888164220).

Almost surely, 2^{213121010330311} is an apocalyptic number.

213121010330311 is a deficient number, since it is larger than the sum of its proper divisors (2646094983449).

213121010330311 is an equidigital number, since it uses as much as digits as its factorization.

213121010330311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794187753.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 213121010330311 its reverse (113033010121312), we get a palindrome (326154020451623).

The spelling of 213121010330311 in words is "two hundred thirteen trillion, one hundred twenty-one billion, ten million, three hundred thirty thousand, three hundred eleven".