321132475139291 has 2 divisors, whose sum is σ = 321132475139292. Its totient is φ = 321132475139290.

The previous prime is 321132475139261. The next prime is 321132475139299. The reversal of 321132475139291 is 192931574231123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321132475139291 - 2⁶ = 321132475139227 is a prime.

It is not a weakly prime, because it can be changed into another prime (321132475139299) 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 as a sum of consecutive naturals, namely, 160566237569645 + 160566237569646.

It is an arithmetic number, because the mean of its divisors is an integer number (160566237569646).

Almost surely, 2^{321132475139291} is an apocalyptic number.

321132475139291 is a deficient number, since it is larger than the sum of its proper divisors (1).

321132475139291 is an equidigital number, since it uses as much as digits as its factorization.

321132475139291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 53.

The spelling of 321132475139291 in words is "three hundred twenty-one trillion, one hundred thirty-two billion, four hundred seventy-five million, one hundred thirty-nine thousand, two hundred ninety-one".