Base | Representation |
---|---|
bin | 11101100011101101101… |
… | …010111111000011100111 |
3 | 21012011220122210100222211 |
4 | 131203231222333003213 |
5 | 231234410240012411 |
6 | 4153043111104251 |
7 | 266515220254414 |
oct | 35435552770347 |
9 | 7164818710884 |
10 | 2031212032231 |
11 | 713483269648 |
12 | 2897b4972087 |
13 | 119708a744b5 |
14 | 7044dc7b10b |
15 | 37c8321c221 |
hex | 1d8edabf0e7 |
2031212032231 has 8 divisors (see below), whose sum is σ = 2041467240384. Its totient is φ = 2020969966080.
The previous prime is 2031212032193. The next prime is 2031212032259. The reversal of 2031212032231 is 1322302121302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2031212032231 - 27 = 2031212032103 is a prime.
It is a super-2 number, since 2×20312120322312 (a number of 25 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 (2031212032271) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2975530 + ... + 3593911.
It is an arithmetic number, because the mean of its divisors is an integer number (255183405048).
Almost surely, 22031212032231 is an apocalyptic number.
2031212032231 is a deficient number, since it is larger than the sum of its proper divisors (10255208153).
2031212032231 is a wasteful number, since it uses less digits than its factorization.
2031212032231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6571001.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 2031212032231 its reverse (1322302121302), we get a palindrome (3353514153533).
The spelling of 2031212032231 in words is "two trillion, thirty-one billion, two hundred twelve million, thirty-two thousand, two hundred thirty-one".
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