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231321123132 = 223111752432751
BaseRepresentation
bin1101011101101111010…
…0000011100100111100
3211010002011111121002220
43113123310003210330
512242221201420012
6254133434245340
722466232050541
oct3273364034474
9733064447086
10231321123132
118a11481a630
12389b8b86850
1318a76306928
14b2a5b88bc8
15603d06208c
hex35dbd0393c

231321123132 has 24 divisors (see below), whose sum is σ = 588817404672. Its totient is φ = 70097310000.

The previous prime is 231321123101. The next prime is 231321123149.

231321123132 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876216244 + ... + 876216507.

It is an arithmetic number, because the mean of its divisors is an integer number (24534058528).

Almost surely, 2231321123132 is an apocalyptic number.

231321123132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231321123132 is an abundant number, since it is smaller than the sum of its proper divisors (357496281540).

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

231321123132 is a wasteful number, since it uses less digits than its factorization.

231321123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752432769 (or 1752432767 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

It can be divided in two parts, 231321 and 123132, that added together give a palindrome (354453).

The spelling of 231321123132 in words is "two hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1752432751 3504865502 5257298253 7009731004 10514596506 19276760261 21029193012 38553520522 57830280783 77107041044 115660561566 231321123132