Base | Representation |
---|---|
bin | 1110000110111000110111… |
… | …10011000000000000010001 |
3 | 11001211202211021011002101221 |
4 | 13003130123303000000101 |
5 | 13031240113333230301 |
6 | 145551435411525041 |
7 | 6351224143504030 |
oct | 703343363000021 |
9 | 131752737132357 |
10 | 31023015133201 |
11 | 9980872302193 |
12 | 3590574bb9781 |
13 | 14405c49650b0 |
14 | 793744300717 |
15 | 38bea6d3dda1 |
hex | 1c371bcc0011 |
31023015133201 has 16 divisors (see below), whose sum is σ = 38193198609664. Its totient is φ = 24538594071744.
The previous prime is 31023015133157. The next prime is 31023015133207. The reversal of 31023015133201 is 10233151032013.
It is a cyclic number.
It is not a de Polignac number, because 31023015133201 - 213 = 31023015125009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31023015133207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48906966 + ... + 49537231.
It is an arithmetic number, because the mean of its divisors is an integer number (2387074913104).
Almost surely, 231023015133201 is an apocalyptic number.
It is an amenable number.
31023015133201 is a deficient number, since it is larger than the sum of its proper divisors (7170183476463).
31023015133201 is a wasteful number, since it uses less digits than its factorization.
31023015133201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98447680.
The product of its (nonzero) digits is 1620, while the sum is 25.
Adding to 31023015133201 its reverse (10233151032013), we get a palindrome (41256166165214).
The spelling of 31023015133201 in words is "thirty-one trillion, twenty-three billion, fifteen million, one hundred thirty-three thousand, two hundred one".
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