Base | Representation |
---|---|
bin | 1110001110111111000101… |
… | …10000010110110010011111 |
3 | 11002211100221121102011010012 |
4 | 13013133202300112302133 |
5 | 13100314410114404043 |
6 | 150323330443433435 |
7 | 6410303453454056 |
oct | 707374260266237 |
9 | 132740847364105 |
10 | 31301231013023 |
11 | 9a78860981584 |
12 | 361647ab2587b |
13 | 1460902598c5a |
14 | 7a2db821939d |
15 | 39433bd13a18 |
hex | 1c77e2c16c9f |
31301231013023 has 8 divisors (see below), whose sum is σ = 33142615858800. Its totient is φ = 29459861274240.
The previous prime is 31301231012993. The next prime is 31301231013049. The reversal of 31301231013023 is 32031013210313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31301231013023 - 26 = 31301231012959 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31301231013023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31301231013823) 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, 636428 + ... + 7937726.
It is an arithmetic number, because the mean of its divisors is an integer number (4142826982350).
Almost surely, 231301231013023 is an apocalyptic number.
31301231013023 is a deficient number, since it is larger than the sum of its proper divisors (1841384845777).
31301231013023 is a wasteful number, since it uses less digits than its factorization.
31301231013023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7553497.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 31301231013023 its reverse (32031013210313), we get a palindrome (63332244223336).
The spelling of 31301231013023 in words is "thirty-one trillion, three hundred one billion, two hundred thirty-one million, thirteen thousand, twenty-three".
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