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211214212331 = 617148768001
BaseRepresentation
bin1100010010110101011…
…0010001110011101011
3202012011212210200210212
43010231112101303223
511430031314243311
6241010325331335
721155041116413
oct3045526216353
9665155720725
10211214212331
1181636a09981
1234b27266b4b
1316bc0738a85
14a3195d3643
155762c28c8b
hex312d591ceb

211214212331 has 8 divisors (see below), whose sum is σ = 217700360928. Its totient is φ = 204825600000.

The previous prime is 211214212289. The next prime is 211214212343. The reversal of 211214212331 is 133212412112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211214212331 - 26 = 211214212267 is a prime.

It is a super-2 number, since 2×2112142123312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211214212297 and 211214212306.

It is not an unprimeable number, because it can be changed into a prime (211214212351) 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, 24379670 + ... + 24388331.

It is an arithmetic number, because the mean of its divisors is an integer number (27212545116).

Almost surely, 2211214212331 is an apocalyptic number.

211214212331 is a deficient number, since it is larger than the sum of its proper divisors (6486148597).

211214212331 is an equidigital number, since it uses as much as digits as its factorization.

211214212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48768133.

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

Adding to 211214212331 its reverse (133212412112), we get a palindrome (344426624443).

The spelling of 211214212331 in words is "two hundred eleven billion, two hundred fourteen million, two hundred twelve thousand, three hundred thirty-one".

Divisors: 1 61 71 4331 48768001 2974848061 3462528071 211214212331