313330121123 has 4 divisors (see below), whose sum is σ = 316258440120. Its totient is φ = 310401802128.

The previous prime is 313330121119. The next prime is 313330121141. The reversal of 313330121123 is 321121033313.

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 313330121123 - 2² = 313330121119 is a prime.

It is a super-2 number, since 2×313330121123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313330123123) 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, 1464159338 + ... + 1464159551.

It is an arithmetic number, because the mean of its divisors is an integer number (79064610030).

Almost surely, 2^313330121123 is an apocalyptic number.

313330121123 is a deficient number, since it is larger than the sum of its proper divisors (2928318997).

313330121123 is a wasteful number, since it uses less digits than its factorization.

313330121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928318996.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 313330121123 its reverse (321121033313), we get a palindrome (634451154436).

The spelling of 313330121123 in words is "three hundred thirteen billion, three hundred thirty million, one hundred twenty-one thousand, one hundred twenty-three".