321113243508 has 48 divisors (see below), whose sum is σ = 802252563840. Its totient is φ = 99609478144.

The previous prime is 321113243501. The next prime is 321113243531. The reversal of 321113243508 is 805342311123.

It is a super-3 number, since 3×321113243508³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321113243501) 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, 8825016 + ... + 8861327.

It is an arithmetic number, because the mean of its divisors is an integer number (16713595080).

Almost surely, 2^321113243508 is an apocalyptic number.

It is an amenable number.

321113243508 is an abundant number, since it is smaller than the sum of its proper divisors (481139320332).

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

321113243508 is a wasteful number, since it uses less digits than its factorization.

321113243508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17686456 (or 17686454 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 321113243508 in words is "three hundred twenty-one billion, one hundred thirteen million, two hundred forty-three thousand, five hundred eight".