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211211034131 = 1493314282549
BaseRepresentation
bin1100010010110100101…
…0001001111000010011
3202012011122211020010202
43010231022021320103
511430030011043011
6241010133245415
721155002111466
oct3045512117023
9665148736122
10211211034131
1181635139069
1234b2619386b
1316bbcb95296
14a3190072dd
1557627ec23b
hex312d289e13

211211034131 has 8 divisors (see below), whose sum is σ = 213270990000. Its totient is φ = 209159644320.

The previous prime is 211211034121. The next prime is 211211034157. The reversal of 211211034131 is 131430112112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-211211034131 is a prime.

It is a super-2 number, since 2×2112110341312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211211034121) 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, 2091956 + ... + 2190593.

It is an arithmetic number, because the mean of its divisors is an integer number (26658873750).

Almost surely, 2211211034131 is an apocalyptic number.

211211034131 is a deficient number, since it is larger than the sum of its proper divisors (2059955869).

211211034131 is a wasteful number, since it uses less digits than its factorization.

211211034131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283029.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211211034131 its reverse (131430112112), we get a palindrome (342641146243).

The spelling of 211211034131 in words is "two hundred eleven billion, two hundred eleven million, thirty-four thousand, one hundred thirty-one".

Divisors: 1 149 331 49319 4282549 638099801 1417523719 211211034131