313213250403 has 6 divisors (see below), whose sum is σ = 452419139484. Its totient is φ = 208808833596.

The previous prime is 313213250393. The next prime is 313213250437. The reversal of 313213250403 is 304052312313.

313213250403 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 1 + 3 + 250 + 403 = 666.

It is not a de Polignac number, because 313213250403 - 2²⁸ = 312944814947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313213250473) 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 in 5 ways as a sum of consecutive naturals, for example, 17400736125 + ... + 17400736142.

It is an arithmetic number, because the mean of its divisors is an integer number (75403189914).

Almost surely, 2^313213250403 is an apocalyptic number.

313213250403 is a deficient number, since it is larger than the sum of its proper divisors (139205889081).

313213250403 is a wasteful number, since it uses less digits than its factorization.

313213250403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34801472273 (or 34801472270 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 313213250403 its reverse (304052312313), we get a palindrome (617265562716).

The spelling of 313213250403 in words is "three hundred thirteen billion, two hundred thirteen million, two hundred fifty thousand, four hundred three".