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231223141112 = 2340172077039
BaseRepresentation
bin1101011101010111111…
…0010010001011111000
3211002211100010121001012
43113111332102023320
512242021111003422
6254120014213052
722463632161635
oct3272576221370
9732740117035
10231223141112
118a074487257
12389901b4188
1318a5bc1b7c2
14b296b6118c
15603465a4e2
hex35d5f922f8

231223141112 has 16 divisors (see below), whose sum is σ = 434624551200. Its totient is φ = 115323260800.

The previous prime is 231223141111. The next prime is 231223141129. The reversal of 231223141112 is 211141322132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231223141111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36035312 + ... + 36041727.

It is an arithmetic number, because the mean of its divisors is an integer number (27164034450).

Almost surely, 2231223141112 is an apocalyptic number.

It is an amenable number.

231223141112 is a deficient number, since it is larger than the sum of its proper divisors (203401410088).

231223141112 is a wasteful number, since it uses less digits than its factorization.

231223141112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72077446 (or 72077442 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 231223141112 its reverse (211141322132), we get a palindrome (442364463244).

The spelling of 231223141112 in words is "two hundred thirty-one billion, two hundred twenty-three million, one hundred forty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 401 802 1604 3208 72077039 144154078 288308156 576616312 28902892639 57805785278 115611570556 231223141112