313000121101321 has 4 divisors (see below), whose sum is σ = 314748725130000. Its totient is φ = 311251517072644.

The previous prime is 313000121101277. The next prime is 313000121101397. The reversal of 313000121101321 is 123101121000313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313000121101321 is a prime.

It is a super-2 number, since 2×313000121101321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313000121101621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874302014071 + ... + 874302014428.

It is an arithmetic number, because the mean of its divisors is an integer number (78687181282500).

Almost surely, 2^{313000121101321} is an apocalyptic number.

It is an amenable number.

313000121101321 is a deficient number, since it is larger than the sum of its proper divisors (1748604028679).

313000121101321 is a wasteful number, since it uses less digits than its factorization.

313000121101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748604028678.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 313000121101321 its reverse (123101121000313), we get a palindrome (436101242101634).

The spelling of 313000121101321 in words is "three hundred thirteen trillion, one hundred twenty-one million, one hundred one thousand, three hundred twenty-one".