321430342424077 has 2 divisors, whose sum is σ = 321430342424078. Its totient is φ = 321430342424076.

The previous prime is 321430342424029. The next prime is 321430342424267. The reversal of 321430342424077 is 770424243034123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208417411815561 + 113012930608516 = 14436669^2 + 10630754^2 .

It is a cyclic number.

It is not a de Polignac number, because 321430342424077 - 2¹¹ = 321430342422029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321430342494077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160715171212038 + 160715171212039.

It is an arithmetic number, because the mean of its divisors is an integer number (160715171212039).

Almost surely, 2^{321430342424077} is an apocalyptic number.

It is an amenable number.

321430342424077 is a deficient number, since it is larger than the sum of its proper divisors (1).

321430342424077 is an equidigital number, since it uses as much as digits as its factorization.

321430342424077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 46.

The spelling of 321430342424077 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred forty-two million, four hundred twenty-four thousand, seventy-seven".