321313313123 has 4 divisors (see below), whose sum is σ = 350523614328. Its totient is φ = 292103011920.

The previous prime is 321313313119. The next prime is 321313313129.

321313313123 is nontrivially palindromic in base 10.

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 321313313123 - 2² = 321313313119 is a prime.

It is a super-3 number, since 3×321313313123³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321313313092 and 321313313101.

It is not an unprimeable number, because it can be changed into a prime (321313313129) 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, 14605150586 + ... + 14605150607.

It is an arithmetic number, because the mean of its divisors is an integer number (87630903582).

Almost surely, 2^321313313123 is an apocalyptic number.

321313313123 is a deficient number, since it is larger than the sum of its proper divisors (29210301205).

321313313123 is a wasteful number, since it uses less digits than its factorization.

321313313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29210301204.

The product of its digits is 2916, while the sum is 26.

It can be divided in two parts, 321313 and 313123, that added together give a palindrome (634436).

The spelling of 321313313123 in words is "three hundred twenty-one billion, three hundred thirteen million, three hundred thirteen thousand, one hundred twenty-three".