313110220021 has 8 divisors (see below), whose sum is σ = 326743704000. Its totient is φ = 299478402432.

The previous prime is 313110220001. The next prime is 313110220051. The reversal of 313110220021 is 120022011313.

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 313110220021 - 2²⁷ = 312976002293 is a prime.

It is a super-3 number, since 3×313110220021³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313110219977 and 313110220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313110220001) 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, 24771 + ... + 791728.

It is an arithmetic number, because the mean of its divisors is an integer number (40842963000).

Almost surely, 2^313110220021 is an apocalyptic number.

It is an amenable number.

313110220021 is a deficient number, since it is larger than the sum of its proper divisors (13633483979).

313110220021 is a wasteful number, since it uses less digits than its factorization.

313110220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833195.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 313110220021 its reverse (120022011313), we get a palindrome (433132231334).

The spelling of 313110220021 in words is "three hundred thirteen billion, one hundred ten million, two hundred twenty thousand, twenty-one".