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312211243234 = 21167712983271
BaseRepresentation
bin1001000101100010011…
…11011000000011100010
31002211212112112110100001
410202301033120003202
520103402034240414
6355232230250214
731361612531512
oct4426117300342
91084775473301
10312211243234
11110454120060
1250612ab696a
1323597986117
141117ac2b842
1581c475a074
hex48b13d80e2

312211243234 has 32 divisors (see below), whose sum is σ = 525819589632. Its totient is φ = 137827074000.

The previous prime is 312211243213. The next prime is 312211243321. The reversal of 312211243234 is 432342112213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386982 + ... + 1596289.

It is an arithmetic number, because the mean of its divisors is an integer number (16431862176).

Almost surely, 2312211243234 is an apocalyptic number.

312211243234 is a deficient number, since it is larger than the sum of its proper divisors (213608346398).

312211243234 is a wasteful number, since it uses less digits than its factorization.

312211243234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983422.

The product of its digits is 6912, while the sum is 28.

Adding to 312211243234 its reverse (432342112213), we get a palindrome (744553355447).

The spelling of 312211243234 in words is "three hundred twelve billion, two hundred eleven million, two hundred forty-three thousand, two hundred thirty-four".

Divisors: 1 2 11 22 67 71 134 142 737 781 1474 1562 4757 9514 52327 104654 2983271 5966542 32815981 65631962 199879157 211812241 399758314 423624482 2198670727 2329934651 4397341454 4659869302 14191420147 28382840294 156105621617 312211243234