310666121 has 2 divisors, whose sum is σ = 310666122. Its totient is φ = 310666120.

The previous prime is 310666091. The next prime is 310666127. The reversal of 310666121 is 121666013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246490000 + 64176121 = 15700^2 + 8011^2 .

It is a cyclic number.

It is not a de Polignac number, because 310666121 - 2¹⁰ = 310665097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (310666127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155333060 + 155333061.

It is an arithmetic number, because the mean of its divisors is an integer number (155333061).

Almost surely, 2^310666121 is an apocalyptic number.

It is an amenable number.

310666121 is a deficient number, since it is larger than the sum of its proper divisors (1).

310666121 is an equidigital number, since it uses as much as digits as its factorization.

310666121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 310666121 is about 17625.7232759396. The cubic root of 310666121 is about 677.2743553969.

The spelling of 310666121 in words is "three hundred ten million, six hundred sixty-six thousand, one hundred twenty-one".