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232311320131 = 11107283697441
BaseRepresentation
bin1101100001011011010…
…1010110111001000011
3211012122011201211000211
43120112311112321003
512301233144221011
6254420005454551
722532614432342
oct3302665267103
9735564654024
10232311320131
118a582758260
1239034711457
1318ba34c0b07
14b35b4a3b59
156099e58b21
hex3616d56e43

232311320131 has 16 divisors (see below), whose sum is σ = 256703292288. Its totient is φ = 208478764800.

The previous prime is 232311320113. The next prime is 232311320273. The reversal of 232311320131 is 131023113232.

It is a cyclic number.

It is not a de Polignac number, because 232311320131 - 217 = 232311189059 is a prime.

It is a super-2 number, since 2×2323113201312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232311321131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15630 + ... + 681811.

It is an arithmetic number, because the mean of its divisors is an integer number (16043955768).

Almost surely, 2232311320131 is an apocalyptic number.

232311320131 is a deficient number, since it is larger than the sum of its proper divisors (24391972157).

232311320131 is a wasteful number, since it uses less digits than its factorization.

232311320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697842.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 232311320131 its reverse (131023113232), we get a palindrome (363334433363).

It can be divided in two parts, 2323113201 and 31, that added together give a palindrome (2323113232).

The spelling of 232311320131 in words is "two hundred thirty-two billion, three hundred eleven million, three hundred twenty thousand, one hundred thirty-one".

Divisors: 1 11 107 283 1177 3113 30281 333091 697441 7671851 74626187 197375803 820888057 2171133833 21119210921 232311320131