211311323133 has 8 divisors (see below), whose sum is σ = 281750584128. Its totient is φ = 140873138784.

The previous prime is 211311323057. The next prime is 211311323137. The reversal of 211311323133 is 331323113112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211311323133 - 2¹⁴ = 211311306749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211311323137) 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, 515985 + ... + 829977.

It is an arithmetic number, because the mean of its divisors is an integer number (35218823016).

Almost surely, 2^211311323133 is an apocalyptic number.

It is an amenable number.

211311323133 is a deficient number, since it is larger than the sum of its proper divisors (70439260995).

211311323133 is a wasteful number, since it uses less digits than its factorization.

211311323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538323.

The product of its digits is 972, while the sum is 24.

Adding to 211311323133 its reverse (331323113112), we get a palindrome (542634436245).

The spelling of 211311323133 in words is "two hundred eleven billion, three hundred eleven million, three hundred twenty-three thousand, one hundred thirty-three".