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213040200011031 = 3224695839585073
BaseRepresentation
bin110000011100001001001001…
…011100011100110100010111
31000221022102222211112201220100
4300130021021130130310113
5210410422312200323111
62033033152231505143
762605434520461441
oct6034111134346427
91027272884481810
10213040200011031
1161976928a61358
121ba8874bb281b3
1391b47b2588b73
143a872b49dd491
1519969e7a6a756
hexc1c24971cd17

213040200011031 has 12 divisors (see below), whose sum is σ = 307724890059808. Its totient is φ = 142026727679424.

The previous prime is 213040200010993. The next prime is 213040200011057. The reversal of 213040200011031 is 130110002040312.

213040200011031 is a `hidden beast` number, since 21 + 304 + 0 + 200 + 0 + 110 + 31 = 666.

It is not a de Polignac number, because 213040200011031 - 211 = 213040200008983 is a prime.

It is a super-2 number, since 2×2130402000110312 (a number of 29 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 = 213040200010995 and 213040200011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213040200011081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17433711 + ... + 27018783.

Almost surely, 2213040200011031 is an apocalyptic number.

213040200011031 is a deficient number, since it is larger than the sum of its proper divisors (94684690048777).

213040200011031 is a wasteful number, since it uses less digits than its factorization.

213040200011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054662 (or 12054659 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213040200011031 its reverse (130110002040312), we get a palindrome (343150202051343).

The spelling of 213040200011031 in words is "two hundred thirteen trillion, forty billion, two hundred million, eleven thousand, thirty-one".

Divisors: 1 3 9 2469583 7408749 9585073 22226247 28755219 86265657 23671133334559 71013400003677 213040200011031