313201122 has 32 divisors (see below), whose sum is σ = 696353280. Its totient is φ = 93260160.

The previous prime is 313201117. The next prime is 313201123. The reversal of 313201122 is 221102313.

It is not an unprimeable number, because it can be changed into a prime (313201123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62347 + ... + 67182.

It is an arithmetic number, because the mean of its divisors is an integer number (21761040).

Almost surely, 2^313201122 is an apocalyptic number.

313201122 is an abundant number, since it is smaller than the sum of its proper divisors (383152158).

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

313201122 is a wasteful number, since it uses less digits than its factorization.

313201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129578.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 313201122 is about 17697.4891439436. The cubic root of 313201122 is about 679.1115285200. Note that the first 3 decimals are identical.

Adding to 313201122 its reverse (221102313), we get a palindrome (534303435).

The spelling of 313201122 in words is "three hundred thirteen million, two hundred one thousand, one hundred twenty-two".