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1031010020211 = 31913495155643
BaseRepresentation
bin11110000000011001111…
…11000110101101110011
310122120012212020200010010
433000030333012231303
5113343002031121321
62105350042510003
7134326250401143
oct17001477065563
93576185220103
101031010020211
11368281307076
12147997205303
13762ba998922
1437c88a8a923
151bc43da0676
hexf00cfc6b73

1031010020211 has 16 divisors (see below), whose sum is σ = 1385837107200. Its totient is φ = 681782098080.

The previous prime is 1031010020203. The next prime is 1031010020221. The reversal of 1031010020211 is 1120200101301.

It is not a de Polignac number, because 1031010020211 - 23 = 1031010020203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031010020221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2377845 + ... + 2777798.

It is an arithmetic number, because the mean of its divisors is an integer number (86614819200).

Almost surely, 21031010020211 is an apocalyptic number.

1031010020211 is a deficient number, since it is larger than the sum of its proper divisors (354827086989).

1031010020211 is a wasteful number, since it uses less digits than its factorization.

1031010020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156186.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1031010020211 its reverse (1120200101301), we get a palindrome (2151210121512).

The spelling of 1031010020211 in words is "one trillion, thirty-one billion, ten million, twenty thousand, two hundred eleven".

Divisors: 1 3 191 349 573 1047 66659 199977 5155643 15466929 984727813 1799319407 2954183439 5397958221 343670006737 1031010020211