Base | Representation |
---|---|
bin | 11100111110011100… |
… | …000001010110110111 |
3 | 2222022021021210200121 |
4 | 130332130001112313 |
5 | 1002204222212210 |
6 | 22143124352411 |
7 | 2150664135550 |
oct | 347634012667 |
9 | 88267253617 |
10 | 31112304055 |
11 | 122160a2588 |
12 | 6043545707 |
13 | 2c1a963291 |
14 | 171206b327 |
15 | c215e06da |
hex | 73e7015b7 |
31112304055 has 8 divisors (see below), whose sum is σ = 42668302752. Its totient is φ = 21334151328.
The previous prime is 31112304037. The next prime is 31112304107. The reversal of 31112304055 is 55040321113.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31112304055 - 27 = 31112303927 is a prime.
It is a super-2 number, since 2×311123040552 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444461452 + ... + 444461521.
It is an arithmetic number, because the mean of its divisors is an integer number (5333537844).
Almost surely, 231112304055 is an apocalyptic number.
31112304055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
31112304055 is a deficient number, since it is larger than the sum of its proper divisors (11555998697).
31112304055 is an equidigital number, since it uses as much as digits as its factorization.
31112304055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 888922985.
The product of its (nonzero) digits is 1800, while the sum is 25.
Adding to 31112304055 its reverse (55040321113), we get a palindrome (86152625168).
The spelling of 31112304055 in words is "thirty-one billion, one hundred twelve million, three hundred four thousand, fifty-five".
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