321099453331 has 8 divisors (see below), whose sum is σ = 335066305824. Its totient is φ = 307133101440.

The previous prime is 321099453317. The next prime is 321099453359. The reversal of 321099453331 is 133354990123.

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 321099453331 - 2⁷ = 321099453203 is a prime.

It is a super-2 number, since 2×321099453331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321099453391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1847005 + ... + 2013361.

It is an arithmetic number, because the mean of its divisors is an integer number (41883288228).

Almost surely, 2^321099453331 is an apocalyptic number.

321099453331 is a deficient number, since it is larger than the sum of its proper divisors (13966852493).

321099453331 is a wasteful number, since it uses less digits than its factorization.

321099453331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250301.

The product of its (nonzero) digits is 262440, while the sum is 43.

The spelling of 321099453331 in words is "three hundred twenty-one billion, ninety-nine million, four hundred fifty-three thousand, three hundred thirty-one".