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211011333031 = 10718231081771
BaseRepresentation
bin1100010010000101000…
…0010110101110100111
3202011122202001100201201
43010201100112232213
511424122400124111
6240534241103331
721150025510522
oct3044120265647
9664582040651
10211011333031
118154243a734
1234a8b327b47
1316b8a6b4055
14a2da6a1bb9
1557500016c1
hex3121416ba7

211011333031 has 8 divisors (see below), whose sum is σ = 213100429824. Its totient is φ = 208924403640.

The previous prime is 211011332981. The next prime is 211011333067. The reversal of 211011333031 is 130333110112.

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

It is not a de Polignac number, because 211011333031 - 217 = 211011201959 is a prime.

It is a super-2 number, since 2×2110113330312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011333931) 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, 345825 + ... + 735946.

It is an arithmetic number, because the mean of its divisors is an integer number (26637553728).

Almost surely, 2211011333031 is an apocalyptic number.

211011333031 is a deficient number, since it is larger than the sum of its proper divisors (2089096793).

211011333031 is a wasteful number, since it uses less digits than its factorization.

211011333031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083701.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 211011333031 its reverse (130333110112), we get a palindrome (341344443143).

The spelling of 211011333031 in words is "two hundred eleven billion, eleven million, three hundred thirty-three thousand, thirty-one".

Divisors: 1 107 1823 195061 1081771 115749497 1972068533 211011333031