213331012311 has 16 divisors (see below), whose sum is σ = 286380622080. Its totient is φ = 141251404800.

The previous prime is 213331012303. The next prime is 213331012393. The reversal of 213331012311 is 113210133312.

It is a happy number.

It is not a de Polignac number, because 213331012311 - 2³ = 213331012303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331012211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2440855 + ... + 2526743.

It is an arithmetic number, because the mean of its divisors is an integer number (17898788880).

Almost surely, 2^213331012311 is an apocalyptic number.

213331012311 is a deficient number, since it is larger than the sum of its proper divisors (73049609769).

213331012311 is a wasteful number, since it uses less digits than its factorization.

213331012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91526.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213331012311 its reverse (113210133312), we get a palindrome (326541145623).

The spelling of 213331012311 in words is "two hundred thirteen billion, three hundred thirty-one million, twelve thousand, three hundred eleven".