315833366081 has 2 divisors, whose sum is σ = 315833366082. Its totient is φ = 315833366080.

The previous prime is 315833366059. The next prime is 315833366089. The reversal of 315833366081 is 180663338513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193864090000 + 121969276081 = 440300^2 + 349241^2 .

It is a cyclic number.

It is not a de Polignac number, because 315833366081 - 2¹⁴ = 315833349697 is a prime.

It is a super-2 number, since 2×315833366081² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (315833366089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157916683040 + 157916683041.

It is an arithmetic number, because the mean of its divisors is an integer number (157916683041).

Almost surely, 2^315833366081 is an apocalyptic number.

It is an amenable number.

315833366081 is a deficient number, since it is larger than the sum of its proper divisors (1).

315833366081 is an equidigital number, since it uses as much as digits as its factorization.

315833366081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 315833366081 in words is "three hundred fifteen billion, eight hundred thirty-three million, three hundred sixty-six thousand, eighty-one".