313213033123 has 4 divisors (see below), whose sum is σ = 313224553168. Its totient is φ = 313201513080.

The previous prime is 313213033117. The next prime is 313213033127. The reversal of 313213033123 is 321330312313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313213033123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313213033127) 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, 5719143 + ... + 5773648.

It is an arithmetic number, because the mean of its divisors is an integer number (78306138292).

Almost surely, 2^313213033123 is an apocalyptic number.

313213033123 is a deficient number, since it is larger than the sum of its proper divisors (11520045).

313213033123 is a wasteful number, since it uses less digits than its factorization.

313213033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11520044.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 313213033123 its reverse (321330312313), we get a palindrome (634543345436).

The spelling of 313213033123 in words is "three hundred thirteen billion, two hundred thirteen million, thirty-three thousand, one hundred twenty-three".