321113219976 has 24 divisors (see below), whose sum is σ = 869681637630. Its totient is φ = 107037739968.

The previous prime is 321113219969. The next prime is 321113220011. The reversal of 321113219976 is 679912311123.

321113219976 is a `hidden beast` number, since 321 + 1 + 132 + 199 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 321006097476 + 107122500 = 566574^2 + 10350^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×321113219976³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2229952845 + ... + 2229952988.

Almost surely, 2^321113219976 is an apocalyptic number.

321113219976 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

321113219976 is an abundant number, since it is smaller than the sum of its proper divisors (548568417654).

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

321113219976 is a wasteful number, since it uses less digits than its factorization.

321113219976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459905845 (or 4459905838 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The spelling of 321113219976 in words is "three hundred twenty-one billion, one hundred thirteen million, two hundred nineteen thousand, nine hundred seventy-six".