313100102120123 has 4 divisors (see below), whose sum is σ = 316618080795720. Its totient is φ = 309582123444528.

The previous prime is 313100102120093. The next prime is 313100102120129. The reversal of 313100102120123 is 321021201001313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313100102120123 - 2³⁰ = 313099028378299 is a prime.

It is a super-2 number, since 2×313100102120123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313100102120095 and 313100102120104.

It is not an unprimeable number, because it can be changed into a prime (313100102120129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758989337665 + ... + 1758989337842.

It is an arithmetic number, because the mean of its divisors is an integer number (79154520198930).

Almost surely, 2^{313100102120123} is an apocalyptic number.

313100102120123 is a deficient number, since it is larger than the sum of its proper divisors (3517978675597).

313100102120123 is an equidigital number, since it uses as much as digits as its factorization.

313100102120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517978675596.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 313100102120123 its reverse (321021201001313), we get a palindrome (634121303121436).

The spelling of 313100102120123 in words is "three hundred thirteen trillion, one hundred billion, one hundred two million, one hundred twenty thousand, one hundred twenty-three".