313122110200021 has 8 divisors (see below), whose sum is σ = 330500319966080. Its totient is φ = 295833710304288.

The previous prime is 313122110200007. The next prime is 313122110200043. The reversal of 313122110200021 is 120002011221313.

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 313122110200021 - 2¹⁵ = 313122110167253 is a prime.

It is a super-2 number, since 2×313122110200021² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313122116200021) 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, 22452460416 + ... + 22452474361.

It is an arithmetic number, because the mean of its divisors is an integer number (41312539995760).

Almost surely, 2^{313122110200021} is an apocalyptic number.

It is an amenable number.

313122110200021 is a deficient number, since it is larger than the sum of its proper divisors (17378209766059).

313122110200021 is a wasteful number, since it uses less digits than its factorization.

313122110200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44904935163.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 313122110200021 its reverse (120002011221313), we get a palindrome (433124121421334).

The spelling of 313122110200021 in words is "three hundred thirteen trillion, one hundred twenty-two billion, one hundred ten million, two hundred thousand, twenty-one".