321131411513 has 8 divisors (see below), whose sum is σ = 350330339520. Its totient is φ = 291933344080.

The previous prime is 321131411483. The next prime is 321131411537. The reversal of 321131411513 is 315114131123.

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 321131411513 - 2⁶ = 321131411449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321131411563) 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, 755543 + ... + 1101411.

It is an arithmetic number, because the mean of its divisors is an integer number (43791292440).

Almost surely, 2^321131411513 is an apocalyptic number.

It is an amenable number.

321131411513 is a deficient number, since it is larger than the sum of its proper divisors (29198928007).

321131411513 is a wasteful number, since it uses less digits than its factorization.

321131411513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430287.

The product of its digits is 1080, while the sum is 26.

Adding to 321131411513 its reverse (315114131123), we get a palindrome (636245542636).

The spelling of 321131411513 in words is "three hundred twenty-one billion, one hundred thirty-one million, four hundred eleven thousand, five hundred thirteen".