313201233220 has 24 divisors (see below), whose sum is σ = 665112735000. Its totient is φ = 123872846592.

The previous prime is 313201233217. The next prime is 313201233223. The reversal of 313201233220 is 22332102313.

It is an interprime number because it is at equal distance from previous prime (313201233217) and next prime (313201233223).

It can be written as a sum of positive squares in 4 ways, for example, as 57373662784 + 255827570436 = 239528^2 + 505794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313201233191 and 313201233200.

It is not an unprimeable number, because it can be changed into a prime (313201233223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87976095 + ... + 87979654.

It is an arithmetic number, because the mean of its divisors is an integer number (27713030625).

Almost surely, 2^313201233220 is an apocalyptic number.

It is an amenable number.

313201233220 is an abundant number, since it is smaller than the sum of its proper divisors (351911501780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313201233220 is a wasteful number, since it uses less digits than its factorization.

313201233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175955847 (or 175955845 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 313201233220 its reverse (22332102313), we get a palindrome (335533335533).

The spelling of 313201233220 in words is "three hundred thirteen billion, two hundred one million, two hundred thirty-three thousand, two hundred twenty".