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2313231212 = 221513829853
BaseRepresentation
bin1000100111100001…
…0001101101101100
312222012202022200002
42021320101231230
514214141344322
61021312323432
7111216066215
oct21170215554
95865668602
102313231212
11a87838936
12546843578
132ab328686
1417d31440c
15d8136c92
hex89e11b6c

2313231212 has 12 divisors (see below), whose sum is σ = 4074964656. Its totient is φ = 1148955600.

The previous prime is 2313231169. The next prime is 2313231257. The reversal of 2313231212 is 2121323132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1914323 + ... + 1915530.

It is an arithmetic number, because the mean of its divisors is an integer number (339580388).

Almost surely, 22313231212 is an apocalyptic number.

It is an amenable number.

2313231212 is a deficient number, since it is larger than the sum of its proper divisors (1761733444).

2313231212 is a wasteful number, since it uses less digits than its factorization.

2313231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830008 (or 3830006 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 2313231212 is about 48096.0623336256. The cubic root of 2313231212 is about 1322.5324836248.

Adding to 2313231212 its reverse (2121323132), we get a palindrome (4434554344).

The spelling of 2313231212 in words is "two billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 151 302 604 3829853 7659706 15319412 578307803 1156615606 2313231212