Base | Representation |
---|---|
bin | 1110000111000110000100… |
… | …10001111010100000100110 |
3 | 11001212110010020122022201210 |
4 | 13003203002101322200212 |
5 | 13031344122411103220 |
6 | 145555011014132250 |
7 | 6351564612326613 |
oct | 703430221724046 |
9 | 131773106568653 |
10 | 31030103222310 |
11 | 998387a352475 |
12 | 3591a12951086 |
13 | 14411842a126a |
14 | 793c1782b50a |
15 | 38c26e2586e0 |
hex | 1c38c247a826 |
31030103222310 has 128 divisors (see below), whose sum is σ = 83072935411200. Its totient is φ = 7384260602880.
The previous prime is 31030103222309. The next prime is 31030103222323. The reversal of 31030103222310 is 1322230103013.
It is a super-2 number, since 2×310301032223102 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22214944 + ... + 23570403.
It is an arithmetic number, because the mean of its divisors is an integer number (649007307900).
Almost surely, 231030103222310 is an apocalyptic number.
31030103222310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31030103222310 is an abundant number, since it is smaller than the sum of its proper divisors (52042832188890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31030103222310 is a wasteful number, since it uses less digits than its factorization.
31030103222310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45785446.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 31030103222310 its reverse (1322230103013), we get a palindrome (32352333325323).
The spelling of 31030103222310 in words is "thirty-one trillion, thirty billion, one hundred three million, two hundred twenty-two thousand, three hundred ten".
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