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13112311311323 = 73491265729303
BaseRepresentation
bin1011111011001111001010…
…1010000110101111011011
31201102112011112001021201122
42332303302222012233123
53204313003143430243
643515413533435455
72522222204114000
oct276636252065733
951375145037648
1013112311311323
1141a5999997254
12157930663bb8b
13741640c8ab53
143348d417d8a7
1517b134637668
hexbecf2a86bdb

13112311311323 has 32 divisors (see below), whose sum is σ = 15328758297600. Its totient is φ = 11211629694720.

The previous prime is 13112311311313. The next prime is 13112311311329. The reversal of 13112311311323 is 32311311321131.

It is not a de Polignac number, because 13112311311323 - 230 = 13111237569499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13112311311292 and 13112311311301.

It is not an unprimeable number, because it can be changed into a prime (13112311311329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447458690 + ... + 447487992.

It is an arithmetic number, because the mean of its divisors is an integer number (479023696800).

Almost surely, 213112311311323 is an apocalyptic number.

13112311311323 is a deficient number, since it is larger than the sum of its proper divisors (2216446986277).

13112311311323 is an equidigital number, since it uses as much as digits as its factorization.

13112311311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32472 (or 32458 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

Adding to 13112311311323 its reverse (32311311321131), we get a palindrome (45423622632454).

The spelling of 13112311311323 in words is "thirteen trillion, one hundred twelve billion, three hundred eleven million, three hundred eleven thousand, three hundred twenty-three".

Divisors: 1 7 49 343 491 2657 3437 18599 24059 29303 130193 168413 205121 911351 1304587 1435847 9132109 10050929 14387773 63924763 77858071 100714411 447473341 545006497 705000877 3815045479 4935006139 26705318353 38228312861 267598190027 1873187330189 13112311311323