313311123 has 6 divisors (see below), whose sum is σ = 452560524. Its totient is φ = 208874076.

The previous prime is 313311113. The next prime is 313311133. The reversal of 313311123 is 321113313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (313311113) and next prime (313311133).

It is not a de Polignac number, because 313311123 - 2⁶ = 313311059 is a prime.

It is a super-2 number, since 2×313311123² = 196327719591042258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313311096 and 313311105.

It is not an unprimeable number, because it can be changed into a prime (313311113) 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 5 ways as a sum of consecutive naturals, for example, 17406165 + ... + 17406182.

It is an arithmetic number, because the mean of its divisors is an integer number (75426754).

Almost surely, 2^313311123 is an apocalyptic number.

313311123 is a deficient number, since it is larger than the sum of its proper divisors (139249401).

313311123 is a wasteful number, since it uses less digits than its factorization.

313311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34812353 (or 34812350 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 313311123 is about 17700.5966848578. The cubic root of 313311123 is about 679.1910239816.

Adding to 313311123 its reverse (321113313), we get a palindrome (634424436).

The spelling of 313311123 in words is "three hundred thirteen million, three hundred eleven thousand, one hundred twenty-three".