321011133311 has 16 divisors (see below), whose sum is σ = 357884352000. Its totient is φ = 285427961280.

The previous prime is 321011133301. The next prime is 321011133323. The reversal of 321011133311 is 113331110123.

It is a de Polignac number, because none of the positive numbers 2^k-321011133311 is a prime.

It is a super-2 number, since 2×321011133311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321011133301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567875 + ... + 982091.

It is an arithmetic number, because the mean of its divisors is an integer number (22367772000).

Almost surely, 2^321011133311 is an apocalyptic number.

321011133311 is a deficient number, since it is larger than the sum of its proper divisors (36873218689).

321011133311 is a wasteful number, since it uses less digits than its factorization.

321011133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415774.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 321011133311 its reverse (113331110123), we get a palindrome (434342243434).

The spelling of 321011133311 in words is "three hundred twenty-one billion, eleven million, one hundred thirty-three thousand, three hundred eleven".