321110113031020 has 24 divisors (see below), whose sum is σ = 674331643990368. Its totient is φ = 128443967760000.

The previous prime is 321110113030901. The next prime is 321110113031023. The reversal of 321110113031020 is 20130311011123.

It is a super-2 number, since 2×321110113031020² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321110113031023) 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 7 ways as a sum of consecutive naturals, for example, 38713545 + ... + 46270495.

It is an arithmetic number, because the mean of its divisors is an integer number (28097151832932).

Almost surely, 2^{321110113031020} is an apocalyptic number.

It is an amenable number.

321110113031020 is an abundant number, since it is smaller than the sum of its proper divisors (353221530959348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321110113031020 is a wasteful number, since it uses less digits than its factorization.

321110113031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9681561 (or 9681559 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 321110113031020 its reverse (20130311011123), we get a palindrome (341240424042143).

The spelling of 321110113031020 in words is "three hundred twenty-one trillion, one hundred ten billion, one hundred thirteen million, thirty-one thousand, twenty".