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12313222111 = 173457209519
BaseRepresentation
bin10110111011110110…
…01101101111011111
31011210010111111022101
423131323031233133
5200204141101421
65353455025531
7614063442511
oct133573155737
934703444271
1012313222111
115249547023
12247780b2a7
131213011958
1484b473bb1
154c0ee2191
hex2ddecdbdf

12313222111 has 8 divisors (see below), whose sum is σ = 13041362880. Its totient is φ = 11585507328.

The previous prime is 12313222093. The next prime is 12313222127. The reversal of 12313222111 is 11122231321.

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 12313222111 - 25 = 12313222079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313222511) 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, 45991 + ... + 163528.

It is an arithmetic number, because the mean of its divisors is an integer number (1630170360).

Almost surely, 212313222111 is an apocalyptic number.

12313222111 is a deficient number, since it is larger than the sum of its proper divisors (728140769).

12313222111 is a wasteful number, since it uses less digits than its factorization.

12313222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212993.

The product of its digits is 144, while the sum is 19.

Adding to 12313222111 its reverse (11122231321), we get a palindrome (23435453432).

The spelling of 12313222111 in words is "twelve billion, three hundred thirteen million, two hundred twenty-two thousand, one hundred eleven".

Divisors: 1 17 3457 58769 209519 3561823 724307183 12313222111