313121344203 has 12 divisors (see below), whose sum is σ = 454994689968. Its totient is φ = 207497576400.

The previous prime is 313121344111. The next prime is 313121344219. The reversal of 313121344203 is 302443121313.

It is a happy number.

313121344203 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 213 + 442 + 0 + 3 = 666.

It is not a de Polignac number, because 313121344203 - 2⁸ = 313121343947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313121344243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104163948 + ... + 104166953.

It is an arithmetic number, because the mean of its divisors is an integer number (37916224164).

Almost surely, 2^313121344203 is an apocalyptic number.

313121344203 is a deficient number, since it is larger than the sum of its proper divisors (141873345765).

313121344203 is a wasteful number, since it uses less digits than its factorization.

313121344203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208331074 (or 208331071 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 313121344203 its reverse (302443121313), we get a palindrome (615564465516).

The spelling of 313121344203 in words is "three hundred thirteen billion, one hundred twenty-one million, three hundred forty-four thousand, two hundred three".