322140943081 has 2 divisors, whose sum is σ = 322140943082. Its totient is φ = 322140943080.

The previous prime is 322140943073. The next prime is 322140943129. The reversal of 322140943081 is 180349041223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240178406400 + 81962536681 = 490080^2 + 286291^2 .

It is a cyclic number.

It is not a de Polignac number, because 322140943081 - 2³ = 322140943073 is a prime.

It is a super-2 number, since 2×322140943081² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 322140943081.

It is not a weakly prime, because it can be changed into another prime (322140943031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161070471540 + 161070471541.

It is an arithmetic number, because the mean of its divisors is an integer number (161070471541).

Almost surely, 2^322140943081 is an apocalyptic number.

It is an amenable number.

322140943081 is a deficient number, since it is larger than the sum of its proper divisors (1).

322140943081 is an equidigital number, since it uses as much as digits as its factorization.

322140943081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 322140943081 in words is "three hundred twenty-two billion, one hundred forty million, nine hundred forty-three thousand, eighty-one".