321054135107 has 2 divisors, whose sum is σ = 321054135108. Its totient is φ = 321054135106.

The previous prime is 321054135071. The next prime is 321054135151. The reversal of 321054135107 is 701531450123.

Together with previous prime (321054135071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321054135107 - 2⁶ = 321054135043 is a prime.

It is not a weakly prime, because it can be changed into another prime (321054135607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160527067553 + 160527067554.

It is an arithmetic number, because the mean of its divisors is an integer number (160527067554).

Almost surely, 2^321054135107 is an apocalyptic number.

321054135107 is a deficient number, since it is larger than the sum of its proper divisors (1).

321054135107 is an equidigital number, since it uses as much as digits as its factorization.

321054135107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 321054135107 in words is "three hundred twenty-one billion, fifty-four million, one hundred thirty-five thousand, one hundred seven".