313211120123 has 8 divisors (see below), whose sum is σ = 341691032496. Its totient is φ = 284732236800.

The previous prime is 313211120119. The next prime is 313211120149. The reversal of 313211120123 is 321021112313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313211120123 - 2² = 313211120119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313211120095 and 313211120104.

It is not an unprimeable number, because it can be changed into a prime (313211122123) 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 7 ways as a sum of consecutive naturals, for example, 468083 + ... + 919523.

It is an arithmetic number, because the mean of its divisors is an integer number (42711379062).

Almost surely, 2^313211120123 is an apocalyptic number.

313211120123 is a deficient number, since it is larger than the sum of its proper divisors (28479912373).

313211120123 is a wasteful number, since it uses less digits than its factorization.

313211120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514525.

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

Adding to 313211120123 its reverse (321021112313), we get a palindrome (634232232436).

It can be divided in two parts, 313211 and 120123, that added together give a palindrome (433334).

The spelling of 313211120123 in words is "three hundred thirteen billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-three".