315143320277 has 2 divisors, whose sum is σ = 315143320278. Its totient is φ = 315143320276.

The previous prime is 315143320253. The next prime is 315143320343. The reversal of 315143320277 is 772023341513.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172312991236 + 142830329041 = 415106^2 + 377929^2 .

It is an emirp because it is prime and its reverse (772023341513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315143320277 - 2¹² = 315143316181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315143320277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315143320237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157571660138 + 157571660139.

It is an arithmetic number, because the mean of its divisors is an integer number (157571660139).

Almost surely, 2^315143320277 is an apocalyptic number.

It is an amenable number.

315143320277 is a deficient number, since it is larger than the sum of its proper divisors (1).

315143320277 is an equidigital number, since it uses as much as digits as its factorization.

315143320277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 315143320277 in words is "three hundred fifteen billion, one hundred forty-three million, three hundred twenty thousand, two hundred seventy-seven".