Search a number
-
+
12313221231113 = 112359238216927
BaseRepresentation
bin1011001100101110010100…
…1011010111001000001001
31121121010120120002021000222
42303023211023113020021
53103214434113343423
642104341000035425
72410413046364225
oct263134513271011
947533516067028
1012313221231113
113a1800a41a790
12146a474a62b75
136b419369c06a
14307d6a9d7785
151654661813c8
hexb32e52d7209

12313221231113 has 16 divisors (see below), whose sum is σ = 14018999463936. Its totient is φ = 10705339869840.

The previous prime is 12313221231109. The next prime is 12313221231139. The reversal of 12313221231113 is 31113212231321.

It is not a de Polignac number, because 12313221231113 - 22 = 12313221231109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12313221281113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2609945 + ... + 5606982.

It is an arithmetic number, because the mean of its divisors is an integer number (876187466496).

Almost surely, 212313221231113 is an apocalyptic number.

It is an amenable number.

12313221231113 is a deficient number, since it is larger than the sum of its proper divisors (1705778232823).

12313221231113 is a wasteful number, since it uses less digits than its factorization.

12313221231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8222884.

The product of its digits is 1296, while the sum is 26.

Adding to 12313221231113 its reverse (31113212231321), we get a palindrome (43426433462434).

The spelling of 12313221231113 in words is "twelve trillion, three hundred thirteen billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 11 23 253 5923 65153 136229 1498519 8216927 90386197 188989321 2078882531 48668858621 535357444831 1119383748283 12313221231113