313000000121303 has 16 divisors (see below), whose sum is σ = 344665385349120. Its totient is φ = 281876554612800.

The previous prime is 313000000121267. The next prime is 313000000121363. The reversal of 313000000121303 is 303121000000313.

It is a cyclic number.

It is not a de Polignac number, because 313000000121303 - 2³⁰ = 312998926379479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313000000121363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169072958 + ... + 170914203.

It is an arithmetic number, because the mean of its divisors is an integer number (21541586584320).

Almost surely, 2^{313000000121303} is an apocalyptic number.

313000000121303 is a deficient number, since it is larger than the sum of its proper divisors (31665385227817).

313000000121303 is a wasteful number, since it uses less digits than its factorization.

313000000121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339987958.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 313000000121303 its reverse (303121000000313), we get a palindrome (616121000121616).

The spelling of 313000000121303 in words is "three hundred thirteen trillion, one hundred twenty-one thousand, three hundred three".