Base | Representation |
---|---|
bin | 11011010101100101110110… |
… | …000100001000000100001111 |
3 | 120202200222020010121122012122 |
4 | 123111211312010020010033 |
5 | 111224331042034410111 |
6 | 1103413205315123155 |
7 | 34216255161341612 |
oct | 3325456604100417 |
9 | 522628203548178 |
10 | 120231000310031 |
11 | 35344754294146 |
12 | 115996a68a34bb |
13 | 5211972129260 |
14 | 21992d6388179 |
15 | dd773e446cdb |
hex | 6d597610810f |
120231000310031 has 32 divisors (see below), whose sum is σ = 138980605373568. Its totient is φ = 103018314240000.
The previous prime is 120231000310013. The next prime is 120231000310097. The reversal of 120231000310031 is 130013000132021.
It is a cyclic number.
It is not a de Polignac number, because 120231000310031 - 26 = 120231000309967 is a prime.
It is a super-2 number, since 2×1202310003100312 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120231000309991 and 120231000310009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120231008310031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362843030 + ... + 363174236.
It is an arithmetic number, because the mean of its divisors is an integer number (4343143917924).
Almost surely, 2120231000310031 is an apocalyptic number.
120231000310031 is a deficient number, since it is larger than the sum of its proper divisors (18749605063537).
120231000310031 is a wasteful number, since it uses less digits than its factorization.
120231000310031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353811.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 120231000310031 its reverse (130013000132021), we get a palindrome (250244000442052).
The spelling of 120231000310031 in words is "one hundred twenty trillion, two hundred thirty-one billion, three hundred ten thousand, thirty-one".
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