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131320232223 = 3193226805237
BaseRepresentation
bin111101001001101001…
…0111011100100011111
3110112221221011222202120
41322103102323210133
54122420434412343
6140154440154023
712326144361615
oct1722322734437
9415857158676
10131320232223
1150768936144
122154aa68913
13c4ca57482b
1464da9756b5
153638bed683
hex1e934bb91f

131320232223 has 8 divisors (see below), whose sum is σ = 176000864688. Its totient is φ = 87093210624.

The previous prime is 131320232207. The next prime is 131320232261. The reversal of 131320232223 is 322232023131.

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

It is not a de Polignac number, because 131320232223 - 24 = 131320232207 is a prime.

It is a super-2 number, since 2×1313202322232 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131320232193 and 131320232202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131320232293) 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, 113402040 + ... + 113403197.

It is an arithmetic number, because the mean of its divisors is an integer number (22000108086).

Almost surely, 2131320232223 is an apocalyptic number.

131320232223 is a deficient number, since it is larger than the sum of its proper divisors (44680632465).

131320232223 is a wasteful number, since it uses less digits than its factorization.

131320232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226805433.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131320232223 its reverse (322232023131), we get a palindrome (453552255354).

The spelling of 131320232223 in words is "one hundred thirty-one billion, three hundred twenty million, two hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 3 193 579 226805237 680415711 43773410741 131320232223