313720422 has 16 divisors (see below), whose sum is σ = 630909552. Its totient is φ = 103995360.

The previous prime is 313720417. The next prime is 313720423. The reversal of 313720422 is 224027313.

It is a junction number, because it is equal to n+sod(n) for n = 313720392 and 313720401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313720423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143353 + ... + 145524.

It is an arithmetic number, because the mean of its divisors is an integer number (39431847).

Almost surely, 2^313720422 is an apocalyptic number.

313720422 is an abundant number, since it is smaller than the sum of its proper divisors (317189130).

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

313720422 is a wasteful number, since it uses less digits than its factorization.

313720422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289063.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 313720422 is about 17712.1546402463. The cubic root of 313720422 is about 679.4866526407.

Adding to 313720422 its reverse (224027313), we get a palindrome (537747735).

The spelling of 313720422 in words is "three hundred thirteen million, seven hundred twenty thousand, four hundred twenty-two".