313131011323 has 8 divisors (see below), whose sum is σ = 337344870800. Its totient is φ = 288935274528.

The previous prime is 313131011293. The next prime is 313131011339. The reversal of 313131011323 is 323110131313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313131011323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313131011294 and 313131011303.

It is not an unprimeable number, because it can be changed into a prime (313131011023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4494768 + ... + 4563901.

It is an arithmetic number, because the mean of its divisors is an integer number (42168108850).

Almost surely, 2^313131011323 is an apocalyptic number.

313131011323 is a deficient number, since it is larger than the sum of its proper divisors (24213859477).

313131011323 is a wasteful number, since it uses less digits than its factorization.

313131011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061341.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 313131011323 its reverse (323110131313), we get a palindrome (636241142636).

The spelling of 313131011323 in words is "three hundred thirteen billion, one hundred thirty-one million, eleven thousand, three hundred twenty-three".