12313311242 has 8 divisors (see below), whose sum is σ = 19556435556. Its totient is φ = 5794499392.

The previous prime is 12313311223. The next prime is 12313311251. The reversal of 12313311242 is 24211331321.

It can be written as a sum of positive squares in 2 ways, for example, as 12283510561 + 29800681 = 110831^2 + 5459^2 .

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

It is a super-4 number, since 4×12313311242⁴ (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181078073 + ... + 181078140.

Almost surely, 2^12313311242 is an apocalyptic number.

12313311242 is a deficient number, since it is larger than the sum of its proper divisors (7243124314).

12313311242 is a wasteful number, since it uses less digits than its factorization.

12313311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362156232.

The product of its digits is 864, while the sum is 23.

Adding to 12313311242 its reverse (24211331321), we get a palindrome (36524642563).

The spelling of 12313311242 in words is "twelve billion, three hundred thirteen million, three hundred eleven thousand, two hundred forty-two".