313440122 has 8 divisors (see below), whose sum is σ = 470261172. Its totient is φ = 156686400.

The previous prime is 313440109. The next prime is 313440139. The reversal of 313440122 is 221044313.

It can be written as a sum of positive squares in 2 ways, for example, as 297528001 + 15912121 = 17249^2 + 3989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 313440094 and 313440103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879 + ... + 25202.

Almost surely, 2^313440122 is an apocalyptic number.

313440122 is a deficient number, since it is larger than the sum of its proper divisors (156821050).

313440122 is a wasteful number, since it uses less digits than its factorization.

313440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33664.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 313440122 is about 17704.2402265672. The cubic root of 313440122 is about 679.2842252064.

Adding to 313440122 its reverse (221044313), we get a palindrome (534484435).

The spelling of 313440122 in words is "three hundred thirteen million, four hundred forty thousand, one hundred twenty-two".