313244122 has 4 divisors (see below), whose sum is σ = 469866186. Its totient is φ = 156622060.

The previous prime is 313244117. The next prime is 313244123. The reversal of 313244122 is 221442313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221442313 = 229 ⋅966997.

It can be written as a sum of positive squares in only one way, i.e., 205893801 + 107350321 = 14349^2 + 10361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313244093 and 313244102.

It is not an unprimeable number, because it can be changed into a prime (313244123) 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 as a sum of consecutive naturals, namely, 78311029 + ... + 78311032.

Almost surely, 2^313244122 is an apocalyptic number.

313244122 is a deficient number, since it is larger than the sum of its proper divisors (156622064).

313244122 is a wasteful number, since it uses less digits than its factorization.

313244122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156622063.

The product of its digits is 1152, while the sum is 22.

The square root of 313244122 is about 17698.7039638500. The cubic root of 313244122 is about 679.1426059517.

Adding to 313244122 its reverse (221442313), we get a palindrome (534686435).

The spelling of 313244122 in words is "three hundred thirteen million, two hundred forty-four thousand, one hundred twenty-two".