213343016052511 has 4 divisors (see below), whose sum is σ = 214274644943800. Its totient is φ = 212411387161224.

The previous prime is 213343016052409. The next prime is 213343016052533. The reversal of 213343016052511 is 115250610343312.

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 213343016052511 - 2³³ = 213334426117919 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 (213343016052611) 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, 465814445301 + ... + 465814445758.

It is an arithmetic number, because the mean of its divisors is an integer number (53568661235950).

Almost surely, 2^{213343016052511} is an apocalyptic number.

213343016052511 is a deficient number, since it is larger than the sum of its proper divisors (931628891289).

213343016052511 is an equidigital number, since it uses as much as digits as its factorization.

213343016052511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931628891288.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 213343016052511 its reverse (115250610343312), we get a palindrome (328593626395823).

The spelling of 213343016052511 in words is "two hundred thirteen trillion, three hundred forty-three billion, sixteen million, fifty-two thousand, five hundred eleven".