Base | Representation |
---|---|
bin | 11101100011101000110… |
… | …010110111011010111111 |
3 | 21012011200221211110210001 |
4 | 131203220302313122333 |
5 | 231234223313241111 |
6 | 4153031025255131 |
7 | 266513204640514 |
oct | 35435062673277 |
9 | 7164627743701 |
10 | 2031130212031 |
11 | 713441064948 |
12 | 2897914944a7 |
13 | 1196c4b2778b |
14 | 7044305d30b |
15 | 37c7ae591c1 |
hex | 1d8e8cb76bf |
2031130212031 has 16 divisors (see below), whose sum is σ = 2042714662560. Its totient is φ = 2019574932480.
The previous prime is 2031130212011. The next prime is 2031130212077. The reversal of 2031130212031 is 1302120311302.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2031130212031 is a prime.
It is a super-2 number, since 2×20311302120312 (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 (2031130212011) 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, 658814616 + ... + 658817698.
It is an arithmetic number, because the mean of its divisors is an integer number (127669666410).
Almost surely, 22031130212031 is an apocalyptic number.
2031130212031 is a deficient number, since it is larger than the sum of its proper divisors (11584450529).
2031130212031 is a wasteful number, since it uses less digits than its factorization.
2031130212031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6666.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 2031130212031 its reverse (1302120311302), we get a palindrome (3333250523333).
The spelling of 2031130212031 in words is "two trillion, thirty-one billion, one hundred thirty million, two hundred twelve thousand, thirty-one".
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