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211201230131211 = 3284472474792071
BaseRepresentation
bin110000000001011000011110…
…010011000101000000001011
31000200210122021212021120011110
4300001120132103011000023
5210140310104403144321
62025104301121101403
762325533240426415
oct6001303623050013
91020718255246143
10211201230131211
1161327a3644a221
121b830268787863
1390b0262816198
143a222a07b19b5
151963c66bab176
hexc0161e4c500b

211201230131211 has 8 divisors (see below), whose sum is σ = 281611539457024. Its totient is φ = 140795870446440.

The previous prime is 211201230131183. The next prime is 211201230131317. The reversal of 211201230131211 is 112131032102112.

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

It is not a de Polignac number, because 211201230131211 - 241 = 209002206875659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211201230131611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237310695 + ... + 1237481376.

It is an arithmetic number, because the mean of its divisors is an integer number (35201442432128).

Almost surely, 2211201230131211 is an apocalyptic number.

211201230131211 is a deficient number, since it is larger than the sum of its proper divisors (70410309325813).

211201230131211 is a wasteful number, since it uses less digits than its factorization.

211201230131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474820521.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 211201230131211 its reverse (112131032102112), we get a palindrome (323332262233323).

The spelling of 211201230131211 in words is "two hundred eleven trillion, two hundred one billion, two hundred thirty million, one hundred thirty-one thousand, two hundred eleven".

Divisors: 1 3 28447 85341 2474792071 7424376213 70400410043737 211201230131211