312333103321 has 2 divisors, whose sum is σ = 312333103322. Its totient is φ = 312333103320.

The previous prime is 312333103297. The next prime is 312333103331. The reversal of 312333103321 is 123301333213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251412990921 + 60920112400 = 501411^2 + 246820^2 .

It is a cyclic number.

It is not a de Polignac number, because 312333103321 - 2⁷ = 312333103193 is a prime.

It is a super-2 number, since 2×312333103321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312333103331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156166551660 + 156166551661.

It is an arithmetic number, because the mean of its divisors is an integer number (156166551661).

Almost surely, 2^312333103321 is an apocalyptic number.

It is an amenable number.

312333103321 is a deficient number, since it is larger than the sum of its proper divisors (1).

312333103321 is an equidigital number, since it uses as much as digits as its factorization.

312333103321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 312333103321 its reverse (123301333213), we get a palindrome (435634436534).

The spelling of 312333103321 in words is "three hundred twelve billion, three hundred thirty-three million, one hundred three thousand, three hundred twenty-one".