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12313322233 = 31439237301
BaseRepresentation
bin10110111011110111…
…00110001011111001
31011210010200120122121
423131323212023321
5200204202302413
65353501121241
7614064340432
oct133573461371
934703616577
1012313322233
115249605273
122477859221
1312130483b4
1484b49c489
154c1011b8d
hex2ddee62f9

12313322233 has 8 divisors (see below), whose sum is σ = 13006121216. Its totient is φ = 11638998000.

The previous prime is 12313322227. The next prime is 12313322269. The reversal of 12313322233 is 33222331321.

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

It is a cyclic number.

It is not a de Polignac number, because 12313322233 - 217 = 12313191161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12313322198 and 12313322207.

It is not an unprimeable number, because it can be changed into a prime (12313322293) 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, 4617318 + ... + 4619983.

It is an arithmetic number, because the mean of its divisors is an integer number (1625765152).

Almost surely, 212313322233 is an apocalyptic number.

It is an amenable number.

12313322233 is a deficient number, since it is larger than the sum of its proper divisors (692798983).

12313322233 is an equidigital number, since it uses as much as digits as its factorization.

12313322233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9237375.

The product of its digits is 3888, while the sum is 25.

Adding to 12313322233 its reverse (33222331321), we get a palindrome (45535653554).

The spelling of 12313322233 in words is "twelve billion, three hundred thirteen million, three hundred twenty-two thousand, two hundred thirty-three".

Divisors: 1 31 43 1333 9237301 286356331 397203943 12313322233