213326678311 has 4 divisors (see below), whose sum is σ = 214080483112. Its totient is φ = 212572873512.

The previous prime is 213326678267. The next prime is 213326678339. The reversal of 213326678311 is 113876623312.

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 213326678311 - 2²¹ = 213324581159 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 (213326678711) 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, 376901976 + ... + 376902541.

It is an arithmetic number, because the mean of its divisors is an integer number (53520120778).

Almost surely, 2^213326678311 is an apocalyptic number.

213326678311 is a deficient number, since it is larger than the sum of its proper divisors (753804801).

213326678311 is an equidigital number, since it uses as much as digits as its factorization.

213326678311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753804800.

The product of its digits is 217728, while the sum is 43.

The spelling of 213326678311 in words is "two hundred thirteen billion, three hundred twenty-six million, six hundred seventy-eight thousand, three hundred eleven".