Base | Representation |
---|---|
bin | 1110000111000110000101… |
… | …01011110110111000110111 |
3 | 11001212110010201102211211110 |
4 | 13003203002223312320313 |
5 | 13031344131131220343 |
6 | 145555011420010103 |
7 | 6351565024203423 |
oct | 703430253667067 |
9 | 131773121384743 |
10 | 31030110023223 |
11 | 9983883178063 |
12 | 3591a15090933 |
13 | 144118581297c |
14 | 793c186bbb83 |
15 | 38c26eb4d833 |
hex | 1c38c2af6e37 |
31030110023223 has 16 divisors (see below), whose sum is σ = 43234805097216. Its totient is φ = 19758680736960.
The previous prime is 31030110023221. The next prime is 31030110023243. The reversal of 31030110023223 is 32232001103013.
It is not a de Polignac number, because 31030110023223 - 21 = 31030110023221 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31030110023223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31030110023221) 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, 325358790 + ... + 325454147.
It is an arithmetic number, because the mean of its divisors is an integer number (2702175318576).
Almost surely, 231030110023223 is an apocalyptic number.
31030110023223 is a deficient number, since it is larger than the sum of its proper divisors (12204695073993).
31030110023223 is a wasteful number, since it uses less digits than its factorization.
31030110023223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 650813654.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 31030110023223 its reverse (32232001103013), we get a palindrome (63262111126236).
The spelling of 31030110023223 in words is "thirty-one trillion, thirty billion, one hundred ten million, twenty-three thousand, two hundred twenty-three".
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