313103123 has 4 divisors (see below), whose sum is σ = 314978160. Its totient is φ = 311228088.

The previous prime is 313103051. The next prime is 313103137. The reversal of 313103123 is 321301313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321301313 = 643 ⋅499691.

It is a cyclic number.

It is not a de Polignac number, because 313103123 - 2¹² = 313099027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313109123) 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 3 ways as a sum of consecutive naturals, for example, 937268 + ... + 937601.

It is an arithmetic number, because the mean of its divisors is an integer number (78744540).

Almost surely, 2^313103123 is an apocalyptic number.

313103123 is a deficient number, since it is larger than the sum of its proper divisors (1875037).

313103123 is a wasteful number, since it uses less digits than its factorization.

313103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875036.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 313103123 is about 17694.7202012352. The cubic root of 313103123 is about 679.0406909777.

Adding to 313103123 its reverse (321301313), we get a palindrome (634404436).

The spelling of 313103123 in words is "three hundred thirteen million, one hundred three thousand, one hundred twenty-three".