315143321033 has 2 divisors, whose sum is σ = 315143321034. Its totient is φ = 315143321032.

The previous prime is 315143320997. The next prime is 315143321057. The reversal of 315143321033 is 330123341513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292364059849 + 22779261184 = 540707^2 + 150928^2 .

It is a cyclic number.

It is not a de Polignac number, because 315143321033 - 2⁶ = 315143320969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315143320987 and 315143321005.

It is not a weakly prime, because it can be changed into another prime (315143321063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157571660516 + 157571660517.

It is an arithmetic number, because the mean of its divisors is an integer number (157571660517).

Almost surely, 2^315143321033 is an apocalyptic number.

It is an amenable number.

315143321033 is a deficient number, since it is larger than the sum of its proper divisors (1).

315143321033 is an equidigital number, since it uses as much as digits as its factorization.

315143321033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 315143321033 its reverse (330123341513), we get a palindrome (645266662546).

The spelling of 315143321033 in words is "three hundred fifteen billion, one hundred forty-three million, three hundred twenty-one thousand, thirty-three".