Base | Representation |
---|---|
bin | 1110000110111001000100… |
… | …01111101000001100000011 |
3 | 11001211210002210200120220021 |
4 | 13003130202033220030003 |
5 | 13031240324031113443 |
6 | 145551454234154311 |
7 | 6351226626065302 |
oct | 703344217501403 |
9 | 131753083616807 |
10 | 31023123301123 |
11 | 9980918372368 |
12 | 35905a5282997 |
13 | 14406111a8595 |
14 | 79375481a439 |
15 | 38beb15a89ed |
hex | 1c37223e8303 |
31023123301123 has 6 divisors (see below), whose sum is σ = 32741855894364. Its totient is φ = 29390327337564.
The previous prime is 31023123301103. The next prime is 31023123301129. The reversal of 31023123301123 is 32110332132013.
It is not a de Polignac number, because 31023123301123 - 25 = 31023123301091 is a prime.
It is a super-2 number, since 2×310231233011232 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31023123301129) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42968314461 + ... + 42968315182.
It is an arithmetic number, because the mean of its divisors is an integer number (5456975982394).
Almost surely, 231023123301123 is an apocalyptic number.
31023123301123 is a deficient number, since it is larger than the sum of its proper divisors (1718732593241).
31023123301123 is an equidigital number, since it uses as much as digits as its factorization.
31023123301123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85936629681 (or 85936629662 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 31023123301123 its reverse (32110332132013), we get a palindrome (63133455433136).
The spelling of 31023123301123 in words is "thirty-one trillion, twenty-three billion, one hundred twenty-three million, three hundred one thousand, one hundred twenty-three".
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