313522809499 has 2 divisors, whose sum is σ = 313522809500. Its totient is φ = 313522809498.

The previous prime is 313522809473. The next prime is 313522809503. The reversal of 313522809499 is 994908225313.

It is a strong prime.

It is an emirp because it is prime and its reverse (994908225313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313522809499 - 2¹⁹ = 313522285211 is a prime.

It is a super-2 number, since 2×313522809499² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313522809419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156761404749 + 156761404750.

It is an arithmetic number, because the mean of its divisors is an integer number (156761404750).

Almost surely, 2^313522809499 is an apocalyptic number.

313522809499 is a deficient number, since it is larger than the sum of its proper divisors (1).

313522809499 is an equidigital number, since it uses as much as digits as its factorization.

313522809499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 313522809499 in words is "three hundred thirteen billion, five hundred twenty-two million, eight hundred nine thousand, four hundred ninety-nine".