321321002012131 has 8 divisors (see below), whose sum is σ = 368981054942400. Its totient is φ = 276735791206440.

The previous prime is 321321002012077. The next prime is 321321002012137. The reversal of 321321002012131 is 131210200123123.

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 321321002012131 - 2²⁹ = 321320465141219 is a prime.

It is a super-2 number, since 2×321321002012131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321321002012137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768710530921 + ... + 768710531338.

It is an arithmetic number, because the mean of its divisors is an integer number (46122631867800).

Almost surely, 2^{321321002012131} is an apocalyptic number.

321321002012131 is a deficient number, since it is larger than the sum of its proper divisors (47660052930269).

321321002012131 is a wasteful number, since it uses less digits than its factorization.

321321002012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537421062289.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 321321002012131 its reverse (131210200123123), we get a palindrome (452531202135254).

The spelling of 321321002012131 in words is "three hundred twenty-one trillion, three hundred twenty-one billion, two million, twelve thousand, one hundred thirty-one".