313203031121 has 8 divisors (see below), whose sum is σ = 349080778080. Its totient is φ = 279264621888.

The previous prime is 313203031033. The next prime is 313203031133. The reversal of 313203031121 is 121130302313.

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

It is a cyclic number.

It is not a de Polignac number, because 313203031121 - 2¹⁴ = 313203014737 is a prime.

It is a super-2 number, since 2×313203031121² (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 = 313203031093 and 313203031102.

It is not an unprimeable number, because it can be changed into a prime (313203031021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484834091 + ... + 484834736.

It is an arithmetic number, because the mean of its divisors is an integer number (43635097260).

Almost surely, 2^313203031121 is an apocalyptic number.

It is an amenable number.

313203031121 is a deficient number, since it is larger than the sum of its proper divisors (35877746959).

313203031121 is a wasteful number, since it uses less digits than its factorization.

313203031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969668863.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313203031121 its reverse (121130302313), we get a palindrome (434333333434).

The spelling of 313203031121 in words is "three hundred thirteen billion, two hundred three million, thirty-one thousand, one hundred twenty-one".