Base | Representation |
---|---|
bin | 1110001010000010100100… |
… | …01001101011011011011101 |
3 | 11002020010022220112202222211 |
4 | 13011001102021223123131 |
5 | 13040023401103332201 |
6 | 150113304454440421 |
7 | 6362106444236026 |
oct | 705012211533335 |
9 | 132203286482884 |
10 | 31131301230301 |
11 | 9a1278aa53718 |
12 | 35a9555963111 |
13 | 144a89105856c |
14 | 798a97a1dc4d |
15 | 38ebe3738651 |
hex | 1c505226b6dd |
31131301230301 has 16 divisors (see below), whose sum is σ = 32248892841984. Its totient is φ = 30033187357824.
The previous prime is 31131301230247. The next prime is 31131301230353. The reversal of 31131301230301 is 10303210313113.
It is a cyclic number.
It is not a de Polignac number, because 31131301230301 - 221 = 31131299133149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31131301231301) 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, 2845156 + ... + 8387938.
It is an arithmetic number, because the mean of its divisors is an integer number (2015555802624).
Almost surely, 231131301230301 is an apocalyptic number.
It is an amenable number.
31131301230301 is a deficient number, since it is larger than the sum of its proper divisors (1117591611683).
31131301230301 is a wasteful number, since it uses less digits than its factorization.
31131301230301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5544540.
The product of its (nonzero) digits is 486, while the sum is 22.
Adding to 31131301230301 its reverse (10303210313113), we get a palindrome (41434511543414).
The spelling of 31131301230301 in words is "thirty-one trillion, one hundred thirty-one billion, three hundred one million, two hundred thirty thousand, three hundred one".
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