313242240323 has 4 divisors (see below), whose sum is σ = 313296449640. Its totient is φ = 313188031008.

The previous prime is 313242240313. The next prime is 313242240349. The reversal of 313242240323 is 323042242313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323042242313 = 7 ⋅46148891759.

It is a cyclic number.

It is not a de Polignac number, because 313242240323 - 2²⁸ = 312973804867 is a prime.

It is a super-2 number, since 2×313242240323² (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 (313242240313) 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, 27095990 + ... + 27107547.

It is an arithmetic number, because the mean of its divisors is an integer number (78324112410).

Almost surely, 2^313242240323 is an apocalyptic number.

313242240323 is a deficient number, since it is larger than the sum of its proper divisors (54209317).

313242240323 is an equidigital number, since it uses as much as digits as its factorization.

313242240323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54209316.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 313242240323 its reverse (323042242313), we get a palindrome (636284482636).

The spelling of 313242240323 in words is "three hundred thirteen billion, two hundred forty-two million, two hundred forty thousand, three hundred twenty-three".