313641015563 has 2 divisors, whose sum is σ = 313641015564. Its totient is φ = 313641015562.

The previous prime is 313641015439. The next prime is 313641015577. The reversal of 313641015563 is 365510146313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313641015563 - 2¹⁰ = 313641014539 is a prime.

It is not a weakly prime, because it can be changed into another prime (313641012563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156820507781 + 156820507782.

It is an arithmetic number, because the mean of its divisors is an integer number (156820507782).

Almost surely, 2^313641015563 is an apocalyptic number.

313641015563 is a deficient number, since it is larger than the sum of its proper divisors (1).

313641015563 is an equidigital number, since it uses as much as digits as its factorization.

313641015563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 313641015563 in words is "three hundred thirteen billion, six hundred forty-one million, fifteen thousand, five hundred sixty-three".