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13131222223223 = 131953162843009
BaseRepresentation
bin1011111100010101100111…
…0101100000100101110111
31201111022222110021010222002
42333011121311200211313
53210120220342120343
643532222240125515
72523461633162636
oct277053165404567
951438873233862
1013131222223223
114202a13684265
121580b0390689b
13743365b35750
143357a996751d
1517b88e9758b8
hexbf159d60977

13131222223223 has 8 divisors (see below), whose sum is σ = 14885596042800. Its totient is φ = 11483174089728.

The previous prime is 13131222223187. The next prime is 13131222223253. The reversal of 13131222223223 is 32232222213131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13131222223223 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 (13131222223253) 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, 26581421258 + ... + 26581421751.

It is an arithmetic number, because the mean of its divisors is an integer number (1860699505350).

Almost surely, 213131222223223 is an apocalyptic number.

13131222223223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13131222223223 is a deficient number, since it is larger than the sum of its proper divisors (1754373819577).

13131222223223 is a wasteful number, since it uses less digits than its factorization.

13131222223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53162843041.

The product of its digits is 10368, while the sum is 29.

Adding to 13131222223223 its reverse (32232222213131), we get a palindrome (45363444436354).

The spelling of 13131222223223 in words is "thirteen trillion, one hundred thirty-one billion, two hundred twenty-two million, two hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 13 19 247 53162843009 691116959117 1010094017171 13131222223223