Base | Representation |
---|---|
bin | 1110001111110101000101… |
… | …01100011101111111100001 |
3 | 11002221010202222020020220212 |
4 | 13013322202230131333201 |
5 | 13101303243040220301 |
6 | 150344523240143505 |
7 | 6412351040464142 |
oct | 707724254357741 |
9 | 132833688206825 |
10 | 31330221023201 |
11 | 9a8a087a99281 |
12 | 362000b767b95 |
13 | 1463572636b29 |
14 | 7a4568475ac9 |
15 | 394e86e364bb |
hex | 1c7ea2b1dfe1 |
31330221023201 has 8 divisors (see below), whose sum is σ = 32503390272000. Its totient is φ = 30167209084320.
The previous prime is 31330221023183. The next prime is 31330221023327. The reversal of 31330221023201 is 10232012203313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31330221023201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31330221023401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2539321196 + ... + 2539333533.
It is an arithmetic number, because the mean of its divisors is an integer number (4062923784000).
Almost surely, 231330221023201 is an apocalyptic number.
31330221023201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
31330221023201 is a deficient number, since it is larger than the sum of its proper divisors (1173169248799).
31330221023201 is a wasteful number, since it uses less digits than its factorization.
31330221023201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5078654959.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 31330221023201 its reverse (10232012203313), we get a palindrome (41562233226514).
The spelling of 31330221023201 in words is "thirty-one trillion, three hundred thirty billion, two hundred twenty-one million, twenty-three thousand, two hundred one".
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