321102142054387 has 2 divisors, whose sum is σ = 321102142054388. Its totient is φ = 321102142054386.

The previous prime is 321102142054333. The next prime is 321102142054403. The reversal of 321102142054387 is 783450241201123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321102142054387 is a prime.

It is not a weakly prime, because it can be changed into another prime (321102142054307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160551071027193 + 160551071027194.

It is an arithmetic number, because the mean of its divisors is an integer number (160551071027194).

Almost surely, 2^{321102142054387} is an apocalyptic number.

321102142054387 is a deficient number, since it is larger than the sum of its proper divisors (1).

321102142054387 is an equidigital number, since it uses as much as digits as its factorization.

321102142054387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 321102142054387 in words is "three hundred twenty-one trillion, one hundred two billion, one hundred forty-two million, fifty-four thousand, three hundred eighty-seven".