313323021121 has 8 divisors (see below), whose sum is σ = 342023421600. Its totient is φ = 284658702240.

The previous prime is 313323021113. The next prime is 313323021149. The reversal of 313323021121 is 121120323313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313323021121 - 2³ = 313323021113 is a prime.

It is a super-2 number, since 2×313323021121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313323021092 and 313323021101.

It is not an unprimeable number, because it can be changed into a prime (313323021101) 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 7 ways as a sum of consecutive naturals, for example, 9002236 + ... + 9036973.

It is an arithmetic number, because the mean of its divisors is an integer number (42752927700).

Almost surely, 2^313323021121 is an apocalyptic number.

It is an amenable number.

313323021121 is a deficient number, since it is larger than the sum of its proper divisors (28700400479).

313323021121 is a wasteful number, since it uses less digits than its factorization.

313323021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18040799.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313323021121 its reverse (121120323313), we get a palindrome (434443344434).

The spelling of 313323021121 in words is "three hundred thirteen billion, three hundred twenty-three million, twenty-one thousand, one hundred twenty-one".