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231132102312 = 23337260283899
BaseRepresentation
bin1101011101000010001…
…0111111111010101000
3211002120222211100021210
43113100202333322220
512241324304233222
6254103003033120
722461445311456
oct3272042777250
9732528740253
10231132102312
118a028056481
123896580b7a0
1318a460c4aa7
14b288a239d6
15602b675d0c
hex35d08bfea8

231132102312 has 32 divisors (see below), whose sum is σ = 593447292000. Its totient is φ = 74961762624.

The previous prime is 231132102263. The next prime is 231132102317. The reversal of 231132102312 is 213201231132.

It is not an unprimeable number, because it can be changed into a prime (231132102317) 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, 130141062 + ... + 130142837.

It is an arithmetic number, because the mean of its divisors is an integer number (18545227875).

Almost surely, 2231132102312 is an apocalyptic number.

It is an amenable number.

231132102312 is an abundant number, since it is smaller than the sum of its proper divisors (362315189688).

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

231132102312 is a wasteful number, since it uses less digits than its factorization.

231132102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260283945 (or 260283941 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231132102312 its reverse (213201231132), we get a palindrome (444333333444).

The spelling of 231132102312 in words is "two hundred thirty-one billion, one hundred thirty-two million, one hundred two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 260283899 520567798 780851697 1041135596 1561703394 2082271192 3123406788 6246813576 9630504263 19261008526 28891512789 38522017052 57783025578 77044034104 115566051156 231132102312