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231332121324 = 223227723198167
BaseRepresentation
bin1101011101110001111…
…0000000101011101100
3211010002221012100210100
43113130132000223230
512242232010340244
6254134510111100
722466424405333
oct3273436005354
9733087170710
10231332121324
118a11aa51747
1238a007ab490
1318a78687935
14b2a740cd1a
15603ded5b69
hex35dc780aec

231332121324 has 36 divisors (see below), whose sum is σ = 586867254064. Its totient is φ = 76832325792.

The previous prime is 231332121323. The next prime is 231332121341. The reversal of 231332121324 is 423121233132.

231332121324 is a `hidden beast` number, since 2 + 3 + 1 + 332 + 1 + 2 + 1 + 324 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (231332121323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11589112 + ... + 11609055.

Almost surely, 2231332121324 is an apocalyptic number.

It is an amenable number.

231332121324 is an abundant number, since it is smaller than the sum of its proper divisors (355535132740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231332121324 is a wasteful number, since it uses less digits than its factorization.

231332121324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23198454 (or 23198449 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 231332121324 its reverse (423121233132), we get a palindrome (654453354456).

The spelling of 231332121324 in words is "two hundred thirty-one billion, three hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 277 554 831 1108 1662 2493 3324 4986 9972 23198167 46396334 69594501 92792668 139189002 208783503 278378004 417567006 835134012 6425892259 12851784518 19277676777 25703569036 38555353554 57833030331 77110707108 115666060662 231332121324