321310130143 has 2 divisors, whose sum is σ = 321310130144. Its totient is φ = 321310130142.

The previous prime is 321310130137. The next prime is 321310130149. The reversal of 321310130143 is 341031013123.

It is a balanced prime because it is at equal distance from previous prime (321310130137) and next prime (321310130149).

It is an emirp because it is prime and its reverse (341031013123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321310130143 - 2²⁹ = 320773259231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321310130149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160655065071 + 160655065072.

It is an arithmetic number, because the mean of its divisors is an integer number (160655065072).

Almost surely, 2^321310130143 is an apocalyptic number.

321310130143 is a deficient number, since it is larger than the sum of its proper divisors (1).

321310130143 is an equidigital number, since it uses as much as digits as its factorization.

321310130143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321310130143 its reverse (341031013123), we get a palindrome (662341143266).

The spelling of 321310130143 in words is "three hundred twenty-one billion, three hundred ten million, one hundred thirty thousand, one hundred forty-three".