321010300129 has 2 divisors, whose sum is σ = 321010300130. Its totient is φ = 321010300128.

The previous prime is 321010300007. The next prime is 321010300153. The reversal of 321010300129 is 921003010123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321007230625 + 3069504 = 566575^2 + 1752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321010300129 is a prime.

It is a super-2 number, since 2×321010300129² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321010303129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160505150064 + 160505150065.

It is an arithmetic number, because the mean of its divisors is an integer number (160505150065).

Almost surely, 2^321010300129 is an apocalyptic number.

It is an amenable number.

321010300129 is a deficient number, since it is larger than the sum of its proper divisors (1).

321010300129 is an equidigital number, since it uses as much as digits as its factorization.

321010300129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 321010300129 in words is "three hundred twenty-one billion, ten million, three hundred thousand, one hundred twenty-nine".