313201312123 has 16 divisors (see below), whose sum is σ = 369682790400. Its totient is φ = 259663435200.

The previous prime is 313201312117. The next prime is 313201312133. The reversal of 313201312123 is 321213102313.

It is a cyclic number.

It is not a de Polignac number, because 313201312123 - 2²⁵ = 313167757691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313201312094 and 313201312103.

It is not an unprimeable number, because it can be changed into a prime (313201312133) 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 15 ways as a sum of consecutive naturals, for example, 45303 + ... + 792751.

It is an arithmetic number, because the mean of its divisors is an integer number (23105174400).

Almost surely, 2^313201312123 is an apocalyptic number.

313201312123 is a deficient number, since it is larger than the sum of its proper divisors (56481478277).

313201312123 is a wasteful number, since it uses less digits than its factorization.

313201312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749418.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313201312123 its reverse (321213102313), we get a palindrome (634414414436).

The spelling of 313201312123 in words is "three hundred thirteen billion, two hundred one million, three hundred twelve thousand, one hundred twenty-three".