321841047131 has 2 divisors, whose sum is σ = 321841047132. Its totient is φ = 321841047130.

The previous prime is 321841047043. The next prime is 321841047181. The reversal of 321841047131 is 131740148123.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321841047131 is a prime.

It is a super-2 number, since 2×321841047131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321841047091 and 321841047100.

It is not a weakly prime, because it can be changed into another prime (321841047181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160920523565 + 160920523566.

It is an arithmetic number, because the mean of its divisors is an integer number (160920523566).

Almost surely, 2^321841047131 is an apocalyptic number.

321841047131 is a deficient number, since it is larger than the sum of its proper divisors (1).

321841047131 is an equidigital number, since it uses as much as digits as its factorization.

321841047131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 321841047131 in words is "three hundred twenty-one billion, eight hundred forty-one million, forty-seven thousand, one hundred thirty-one".