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131310012223 = 1310100770171
BaseRepresentation
bin111101001001010101…
…1111100011100111111
3110112221012221202120001
41322102223330130333
54122410330342343
6140153433135131
712325661454655
oct1722253743477
9415835852501
10131310012223
1150763095765
122154755a4a7
13c4c8406ab0
1464d9474dd5
153637d8044d
hex1e92afc73f

131310012223 has 4 divisors (see below), whose sum is σ = 141410782408. Its totient is φ = 121209242040.

The previous prime is 131310012217. The next prime is 131310012247. The reversal of 131310012223 is 322210013131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131310012223 - 29 = 131310011711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131310012223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310012293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050385073 + ... + 5050385098.

It is an arithmetic number, because the mean of its divisors is an integer number (35352695602).

Almost surely, 2131310012223 is an apocalyptic number.

131310012223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131310012223 is a deficient number, since it is larger than the sum of its proper divisors (10100770185).

131310012223 is a wasteful number, since it uses less digits than its factorization.

131310012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100770184.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131310012223 its reverse (322210013131), we get a palindrome (453520025354).

The spelling of 131310012223 in words is "one hundred thirty-one billion, three hundred ten million, twelve thousand, two hundred twenty-three".

Divisors: 1 13 10100770171 131310012223