321120410331331 has 8 divisors (see below), whose sum is σ = 366164449789824. Its totient is φ = 278982437934720.

The previous prime is 321120410331307. The next prime is 321120410331361. The reversal of 321120410331331 is 133133014021123.

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

It is not a de Polignac number, because 321120410331331 - 2²¹ = 321120408234179 is a prime.

It is a super-2 number, since 2×321120410331331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321120410331331.

It is not an unprimeable number, because it can be changed into a prime (321120410331361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726516765235 + ... + 726516765676.

It is an arithmetic number, because the mean of its divisors is an integer number (45770556223728).

Almost surely, 2^{321120410331331} is an apocalyptic number.

321120410331331 is a deficient number, since it is larger than the sum of its proper divisors (45044039458493).

321120410331331 is a wasteful number, since it uses less digits than its factorization.

321120410331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453033530941.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 321120410331331 its reverse (133133014021123), we get a palindrome (454253424352454).

The spelling of 321120410331331 in words is "three hundred twenty-one trillion, one hundred twenty billion, four hundred ten million, three hundred thirty-one thousand, three hundred thirty-one".