Base | Representation |
---|---|
bin | 11100111000011110… |
… | …100010100011111111 |
3 | 2222001022010010100210 |
4 | 130320132202203333 |
5 | 1002003122113210 |
6 | 22125153123503 |
7 | 2145341131611 |
oct | 347036424377 |
9 | 88038103323 |
10 | 31012301055 |
11 | 121746a987a |
12 | 6015b59593 |
13 | 2c0301b2c8 |
14 | 1702a78db1 |
15 | c17939e20 |
hex | 7387a28ff |
31012301055 has 32 divisors (see below), whose sum is σ = 50471218944. Its totient is φ = 16257136896.
The previous prime is 31012300961. The next prime is 31012301081. The reversal of 31012301055 is 55010321013.
It is not a de Polignac number, because 31012301055 - 27 = 31012300927 is a prime.
It is a super-2 number, since 2×310123010552 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425524 + ... + 493046.
It is an arithmetic number, because the mean of its divisors is an integer number (1577225592).
Almost surely, 231012301055 is an apocalyptic number.
31012301055 is a deficient number, since it is larger than the sum of its proper divisors (19458917889).
31012301055 is a wasteful number, since it uses less digits than its factorization.
31012301055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68055.
The product of its (nonzero) digits is 450, while the sum is 21.
Adding to 31012301055 its reverse (55010321013), we get a palindrome (86022622068).
The spelling of 31012301055 in words is "thirty-one billion, twelve million, three hundred one thousand, fifty-five".
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