Base | Representation |
---|---|
bin | 1110000110111001011011… |
… | …00000101001001110100001 |
3 | 11001211210120222100021222112 |
4 | 13003130231200221032201 |
5 | 13031241220422424301 |
6 | 145551525105245105 |
7 | 6351234412461140 |
oct | 703345540511641 |
9 | 131753528307875 |
10 | 31023312311201 |
11 | 9980a05029441 |
12 | 3590638633795 |
13 | 14406413b5572 |
14 | 79377197b757 |
15 | 38bec2e919bb |
hex | 1c372d8293a1 |
31023312311201 has 16 divisors (see below), whose sum is σ = 35530122292224. Its totient is φ = 26535235861584.
The previous prime is 31023312311183. The next prime is 31023312311203. The reversal of 31023312311201 is 10211321332013.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31023312311201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31023312311203) 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, 59202326 + ... + 59724048.
It is an arithmetic number, because the mean of its divisors is an integer number (2220632643264).
Almost surely, 231023312311201 is an apocalyptic number.
It is an amenable number.
31023312311201 is a deficient number, since it is larger than the sum of its proper divisors (4506809981023).
31023312311201 is a wasteful number, since it uses less digits than its factorization.
31023312311201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 539660.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 31023312311201 its reverse (10211321332013), we get a palindrome (41234633643214).
The spelling of 31023312311201 in words is "thirty-one trillion, twenty-three billion, three hundred twelve million, three hundred eleven thousand, two hundred one".
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