313123111413121 has 16 divisors (see below), whose sum is σ = 339306675624000. Its totient is φ = 287882065765888.

The previous prime is 313123111413109. The next prime is 313123111413139. The reversal of 313123111413121 is 121314111321313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 313123111413121 - 2¹¹ = 313123111411073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313123111413121.

It is not an unprimeable number, because it can be changed into a prime (313123111413821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246592071 + ... + 1246843228.

It is an arithmetic number, because the mean of its divisors is an integer number (21206667226500).

Almost surely, 2^{313123111413121} is an apocalyptic number.

It is an amenable number.

313123111413121 is a deficient number, since it is larger than the sum of its proper divisors (26183564210879).

313123111413121 is a wasteful number, since it uses less digits than its factorization.

313123111413121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493435488.

The product of its digits is 1296, while the sum is 28.

Adding to 313123111413121 its reverse (121314111321313), we get a palindrome (434437222734434).

The spelling of 313123111413121 in words is "three hundred thirteen trillion, one hundred twenty-three billion, one hundred eleven million, four hundred thirteen thousand, one hundred twenty-one".