321243322330131 has 16 divisors (see below), whose sum is σ = 447468351052800. Its totient is φ = 204756723128160.

The previous prime is 321243322330081. The next prime is 321243322330141. The reversal of 321243322330131 is 131033223342123.

It is not a de Polignac number, because 321243322330131 - 2²² = 321243318135827 is a prime.

It is a super-2 number, since 2×321243322330131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321243322330092 and 321243322330101.

It is not an unprimeable number, because it can be changed into a prime (321243322330141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20808602356 + ... + 20808617793.

It is an arithmetic number, because the mean of its divisors is an integer number (27966771940800).

Almost surely, 2^{321243322330131} is an apocalyptic number.

321243322330131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

321243322330131 is a deficient number, since it is larger than the sum of its proper divisors (126225028722669).

321243322330131 is a wasteful number, since it uses less digits than its factorization.

321243322330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41617220266.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 321243322330131 its reverse (131033223342123), we get a palindrome (452276545672254).

The spelling of 321243322330131 in words is "three hundred twenty-one trillion, two hundred forty-three billion, three hundred twenty-two million, three hundred thirty thousand, one hundred thirty-one".