12313020322 has 4 divisors (see below), whose sum is σ = 18469530486. Its totient is φ = 6156510160.

The previous prime is 12313020311. The next prime is 12313020347. The reversal of 12313020322 is 22302031321.

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

It can be written as a sum of positive squares in only one way, i.e., 10011803481 + 2301216841 = 100059^2 + 47971^2 .

It is a super-2 number, since 2×12313020322² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12313020322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078255079 + ... + 3078255082.

Almost surely, 2^12313020322 is an apocalyptic number.

12313020322 is a deficient number, since it is larger than the sum of its proper divisors (6156510164).

12313020322 is an equidigital number, since it uses as much as digits as its factorization.

12313020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156510163.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12313020322 its reverse (22302031321), we get a palindrome (34615051643).

The spelling of 12313020322 in words is "twelve billion, three hundred thirteen million, twenty thousand, three hundred twenty-two".