320405242541201 has 2 divisors, whose sum is σ = 320405242541202. Its totient is φ = 320405242541200.

The previous prime is 320405242541191. The next prime is 320405242541257. The reversal of 320405242541201 is 102145242504023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246464849241601 + 73940393299600 = 15699199^2 + 8598860^2 .

It is a cyclic number.

It is not a de Polignac number, because 320405242541201 - 2¹⁴ = 320405242524817 is a prime.

It is not a weakly prime, because it can be changed into another prime (320405247541201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160202621270600 + 160202621270601.

It is an arithmetic number, because the mean of its divisors is an integer number (160202621270601).

Almost surely, 2^{320405242541201} is an apocalyptic number.

It is an amenable number.

320405242541201 is a deficient number, since it is larger than the sum of its proper divisors (1).

320405242541201 is an equidigital number, since it uses as much as digits as its factorization.

320405242541201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 320405242541201 in words is "three hundred twenty trillion, four hundred five billion, two hundred forty-two million, five hundred forty-one thousand, two hundred one".