321154141451141 has 2 divisors, whose sum is σ = 321154141451142. Its totient is φ = 321154141451140.

The previous prime is 321154141451123. The next prime is 321154141451149. The reversal of 321154141451141 is 141154141451123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217349709556225 + 103804431894916 = 14742785^2 + 10188446^2 .

It is a cyclic number.

It is not a de Polignac number, because 321154141451141 - 2²² = 321154137256837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 321154141451095 and 321154141451104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321154141451149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160577070725570 + 160577070725571.

It is an arithmetic number, because the mean of its divisors is an integer number (160577070725571).

Almost surely, 2^{321154141451141} is an apocalyptic number.

It is an amenable number.

321154141451141 is a deficient number, since it is larger than the sum of its proper divisors (1).

321154141451141 is an equidigital number, since it uses as much as digits as its factorization.

321154141451141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 38.

The spelling of 321154141451141 in words is "three hundred twenty-one trillion, one hundred fifty-four billion, one hundred forty-one million, four hundred fifty-one thousand, one hundred forty-one".