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212224043131 = 1747265612069
BaseRepresentation
bin1100010110100110001…
…0011110100001111011
3202021210020222102020121
43011221202132201323
511434113323340011
6241254441434111
721222052413502
oct3055142364173
9667706872217
10212224043131
1182004a37791
123516949b937
1317021a087a9
14a3b377d839
1557c16ece71
hex316989e87b

212224043131 has 8 divisors (see below), whose sum is σ = 229488828480. Its totient is φ = 195490482048.

The previous prime is 212224043027. The next prime is 212224043149. The reversal of 212224043131 is 131340422212.

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 212224043131 - 29 = 212224042619 is a prime.

It is a super-2 number, since 2×2122240431312 (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 = 212224043096 and 212224043105.

It is not an unprimeable number, because it can be changed into a prime (212224043191) 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, 132805236 + ... + 132806833.

It is an arithmetic number, because the mean of its divisors is an integer number (28686103560).

Almost surely, 2212224043131 is an apocalyptic number.

212224043131 is a deficient number, since it is larger than the sum of its proper divisors (17264785349).

212224043131 is a wasteful number, since it uses less digits than its factorization.

212224043131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265612133.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212224043131 its reverse (131340422212), we get a palindrome (343564465343).

The spelling of 212224043131 in words is "two hundred twelve billion, two hundred twenty-four million, forty-three thousand, one hundred thirty-one".

Divisors: 1 17 47 799 265612069 4515405173 12483767243 212224043131