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131322203233 = 13219153126713
BaseRepresentation
bin111101001001101101…
…0011100110001100001
3110112222001220010110221
41322103122130301201
54122421441000413
6140154550323041
712326200211164
oct1722332346141
9415861803427
10131322203233
1150769a61a81
122154b659481
13c4caab4a00
1464dad29adb
153638e8c68d
hex1e9369cc61

131322203233 has 24 divisors (see below), whose sum is σ = 149788603680. Its totient is φ = 114761162880.

The previous prime is 131322203213. The next prime is 131322203239. The reversal of 131322203233 is 332302223131.

It is not a de Polignac number, because 131322203233 - 233 = 122732268641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131322203198 and 131322203207.

It is not an unprimeable number, because it can be changed into a prime (131322203239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4902685 + ... + 4929397.

It is an arithmetic number, because the mean of its divisors is an integer number (6241191820).

Almost surely, 2131322203233 is an apocalyptic number.

131322203233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131322203233 is a deficient number, since it is larger than the sum of its proper divisors (18466400447).

131322203233 is a wasteful number, since it uses less digits than its factorization.

131322203233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28289 (or 28276 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 131322203233 its reverse (332302223131), we get a palindrome (463624426364).

The spelling of 131322203233 in words is "one hundred thirty-one billion, three hundred twenty-two million, two hundred three thousand, two hundred thirty-three".

Divisors: 1 13 19 169 247 1531 3211 19903 26713 29089 258739 347269 378157 507547 4514497 4916041 6598111 40897603 85775443 531668839 777054457 6911694907 10101707941 131322203233