321112331013 has 16 divisors (see below), whose sum is σ = 439767307136. Its totient is φ = 208267329600.

The previous prime is 321112331009. The next prime is 321112331027. The reversal of 321112331013 is 310133211123.

It is a happy number.

It is not a de Polignac number, because 321112331013 - 2² = 321112331009 is a prime.

It is a super-2 number, since 2×321112331013² (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 (321112331003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952920 + ... + 1245102.

It is an arithmetic number, because the mean of its divisors is an integer number (27485456696).

Almost surely, 2^321112331013 is an apocalyptic number.

It is an amenable number.

321112331013 is a deficient number, since it is larger than the sum of its proper divisors (118654976123).

321112331013 is a wasteful number, since it uses less digits than its factorization.

321112331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302124.

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

Adding to 321112331013 its reverse (310133211123), we get a palindrome (631245542136).

The spelling of 321112331013 in words is "three hundred twenty-one billion, one hundred twelve million, three hundred thirty-one thousand, thirteen".