Base | Representation |
---|---|
bin | 1110000110001110100100… |
… | …01000011110111000010111 |
3 | 11001202121012111221000210022 |
4 | 13003013102020132320113 |
5 | 13030402110412223411 |
6 | 145533202050215355 |
7 | 6346461304541255 |
oct | 703072210367027 |
9 | 131677174830708 |
10 | 31000304414231 |
11 | 9972178735959 |
12 | 358809728455b |
13 | 143b4157bcb49 |
14 | 7925cbdd55d5 |
15 | 38b5c8121edb |
hex | 1c31d221ee17 |
31000304414231 has 16 divisors (see below), whose sum is σ = 31077402048000. Its totient is φ = 30923318701728.
The previous prime is 31000304414197. The next prime is 31000304414263. The reversal of 31000304414231 is 13241440300013.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 31000304414231 - 230 = 30999230672407 is a prime.
It is a super-2 number, since 2×310003044142312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31000304414231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31000304414281) 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, 4962427550 + ... + 4962433796.
It is an arithmetic number, because the mean of its divisors is an integer number (1942337628000).
Almost surely, 231000304414231 is an apocalyptic number.
31000304414231 is a deficient number, since it is larger than the sum of its proper divisors (77097633769).
31000304414231 is a wasteful number, since it uses less digits than its factorization.
31000304414231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13358.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 31000304414231 its reverse (13241440300013), we get a palindrome (44241744714244).
The spelling of 31000304414231 in words is "thirty-one trillion, three hundred four million, four hundred fourteen thousand, two hundred thirty-one".
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