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131323112303 = 1771031087553
BaseRepresentation
bin111101001001101110…
…1111010101101101111
3110112222010121022111012
41322103131322231233
54122422204043203
6140155022015435
712326211015425
oct1722335725557
9415863538435
10131323112303
115076a522a79
122154ba1757b
13c4cb042716
1464db0c5115
1536390bbbd8
hex1e9377ab6f

131323112303 has 8 divisors (see below), whose sum is σ = 139067705088. Its totient is φ = 123580708864.

The previous prime is 131323112257. The next prime is 131323112377. The reversal of 131323112303 is 303211323131.

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

It is a cyclic number.

It is not a de Polignac number, because 131323112303 - 28 = 131323112047 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 (131323112603) 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, 423026 + ... + 664527.

It is an arithmetic number, because the mean of its divisors is an integer number (17383463136).

Almost surely, 2131323112303 is an apocalyptic number.

131323112303 is a deficient number, since it is larger than the sum of its proper divisors (7744592785).

131323112303 is a wasteful number, since it uses less digits than its factorization.

131323112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094673.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 131323112303 its reverse (303211323131), we get a palindrome (434534435434).

The spelling of 131323112303 in words is "one hundred thirty-one billion, three hundred twenty-three million, one hundred twelve thousand, three hundred three".

Divisors: 1 17 7103 120751 1087553 18488401 7724888959 131323112303