315045206689133 has 2 divisors, whose sum is σ = 315045206689134. Its totient is φ = 315045206689132.

The previous prime is 315045206689097. The next prime is 315045206689177. The reversal of 315045206689133 is 331986602540513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162570201091204 + 152475005597929 = 12750302^2 + 12348077^2 .

It is an emirp because it is prime and its reverse (331986602540513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315045206689133 - 2⁴² = 310647160178029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315045206689183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157522603344566 + 157522603344567.

It is an arithmetic number, because the mean of its divisors is an integer number (157522603344567).

Almost surely, 2^{315045206689133} is an apocalyptic number.

It is an amenable number.

315045206689133 is a deficient number, since it is larger than the sum of its proper divisors (1).

315045206689133 is an equidigital number, since it uses as much as digits as its factorization.

315045206689133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 315045206689133 in words is "three hundred fifteen trillion, forty-five billion, two hundred six million, six hundred eighty-nine thousand, one hundred thirty-three".