321113444431 has 8 divisors (see below), whose sum is σ = 366156507024. Its totient is φ = 278976385920.

The previous prime is 321113444429. The next prime is 321113444453. The reversal of 321113444431 is 134444311123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321113444431 - 2¹ = 321113444429 is a prime.

It is a super-3 number, since 3×321113444431³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321113444393 and 321113444402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321113444731) 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, 726500785 + ... + 726501226.

It is an arithmetic number, because the mean of its divisors is an integer number (45769563378).

Almost surely, 2^321113444431 is an apocalyptic number.

321113444431 is a deficient number, since it is larger than the sum of its proper divisors (45043062593).

321113444431 is a wasteful number, since it uses less digits than its factorization.

321113444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453002041.

The product of its digits is 13824, while the sum is 31.

Adding to 321113444431 its reverse (134444311123), we get a palindrome (455557755554).

The spelling of 321113444431 in words is "three hundred twenty-one billion, one hundred thirteen million, four hundred forty-four thousand, four hundred thirty-one".