321310103021293 has 2 divisors, whose sum is σ = 321310103021294. Its totient is φ = 321310103021292.

The previous prime is 321310103021249. The next prime is 321310103021329. The reversal of 321310103021293 is 392120301013123.

It is a happy number.

Together with next prime (321310103021329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306438258922884 + 14871844098409 = 17505378^2 + 3856403^2 .

It is a cyclic number.

It is not a de Polignac number, because 321310103021293 - 2¹⁷ = 321310102890221 is a prime.

It is a super-2 number, since 2×321310103021293² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321310103021693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160655051510646 + 160655051510647.

It is an arithmetic number, because the mean of its divisors is an integer number (160655051510647).

Almost surely, 2^{321310103021293} is an apocalyptic number.

It is an amenable number.

321310103021293 is a deficient number, since it is larger than the sum of its proper divisors (1).

321310103021293 is an equidigital number, since it uses as much as digits as its factorization.

321310103021293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 321310103021293 in words is "three hundred twenty-one trillion, three hundred ten billion, one hundred three million, twenty-one thousand, two hundred ninety-three".