321330121020131 has 8 divisors (see below), whose sum is σ = 325098080763840. Its totient is φ = 317565661475392.

The previous prime is 321330121020127. The next prime is 321330121020157. The reversal of 321330121020131 is 131020121033123.

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 321330121020131 - 2² = 321330121020127 is a prime.

It is a super-2 number, since 2×321330121020131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321330121020097 and 321330121020106.

It is not an unprimeable number, because it can be changed into a prime (321330121220131) 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, 874865060 + ... + 875232273.

It is an arithmetic number, because the mean of its divisors is an integer number (40637260095480).

Almost surely, 2^{321330121020131} is an apocalyptic number.

321330121020131 is a deficient number, since it is larger than the sum of its proper divisors (3767959743709).

321330121020131 is a wasteful number, since it uses less digits than its factorization.

321330121020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750099485.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 321330121020131 its reverse (131020121033123), we get a palindrome (452350242053254).

The spelling of 321330121020131 in words is "three hundred twenty-one trillion, three hundred thirty billion, one hundred twenty-one million, twenty thousand, one hundred thirty-one".