321111020313 has 12 divisors (see below), whose sum is σ = 463831941040. Its totient is φ = 214071746616.

The previous prime is 321111020297. The next prime is 321111020359. The reversal of 321111020313 is 313020111123.

321111020313 is a `hidden beast` number, since 321 + 1 + 1 + 10 + 20 + 313 = 666.

It is not a de Polignac number, because 321111020313 - 2⁴ = 321111020297 is a prime.

It is a super-2 number, since 2×321111020313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321111020383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578270 + ... + 1770072.

Almost surely, 2^321111020313 is an apocalyptic number.

It is an amenable number.

321111020313 is a deficient number, since it is larger than the sum of its proper divisors (142720920727).

321111020313 is a wasteful number, since it uses less digits than its factorization.

321111020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377828 (or 377825 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 321111020313 its reverse (313020111123), we get a palindrome (634131131436).

The spelling of 321111020313 in words is "three hundred twenty-one billion, one hundred eleven million, twenty thousand, three hundred thirteen".