Base | Representation |
---|---|
bin | 11101001010010110… |
… | …001100001110100110 |
3 | 2222211012020121100222 |
4 | 131022112030032212 |
5 | 1003111344233220 |
6 | 22215023004342 |
7 | 2155641323006 |
oct | 351226141646 |
9 | 88735217328 |
10 | 31312102310 |
11 | 12308957a05 |
12 | 609a4396b2 |
13 | 2c501797b8 |
14 | 17307da006 |
15 | c33e09e25 |
hex | 74a58c3a6 |
31312102310 has 16 divisors (see below), whose sum is σ = 56425342176. Its totient is φ = 12510716928.
The previous prime is 31312102301. The next prime is 31312102313. The reversal of 31312102310 is 1320121313.
It is a super-2 number, since 2×313121023102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31312102313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756187 + ... + 1773926.
It is an arithmetic number, because the mean of its divisors is an integer number (3526583886).
Almost surely, 231312102310 is an apocalyptic number.
31312102310 is a deficient number, since it is larger than the sum of its proper divisors (25113239866).
31312102310 is a wasteful number, since it uses less digits than its factorization.
31312102310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3531007.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 31312102310 its reverse (1320121313), we get a palindrome (32632223623).
The spelling of 31312102310 in words is "thirty-one billion, three hundred twelve million, one hundred two thousand, three hundred ten".
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