Base | Representation |
---|---|
bin | 1110000110001110100111… |
… | …10010000110100111101011 |
3 | 11001202121021110000201102210 |
4 | 13003013103302012213223 |
5 | 13030402140004231443 |
6 | 145533204515500203 |
7 | 6346462062100056 |
oct | 703072362064753 |
9 | 131677243021383 |
10 | 31000332102123 |
11 | 997219232720a |
12 | 35880a45b7663 |
13 | 143b41b465607 |
14 | 7925d1961a9d |
15 | 38b5ca790c33 |
hex | 1c31d3c869eb |
31000332102123 has 8 divisors (see below), whose sum is σ = 41363111682000. Its totient is φ = 20652220295168.
The previous prime is 31000332102079. The next prime is 31000332102191. The reversal of 31000332102123 is 32120123300013.
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 31000332102123 - 26 = 31000332102059 is a prime.
It is a super-3 number, since 3×310003321021233 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 31000332102123.
It is not an unprimeable number, because it can be changed into a prime (31000332182123) 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, 3666938298 + ... + 3666946751.
It is an arithmetic number, because the mean of its divisors is an integer number (5170388960250).
Almost surely, 231000332102123 is an apocalyptic number.
31000332102123 is a deficient number, since it is larger than the sum of its proper divisors (10362779579877).
31000332102123 is a wasteful number, since it uses less digits than its factorization.
31000332102123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7333886461.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 31000332102123 its reverse (32120123300013), we get a palindrome (63120455402136).
The spelling of 31000332102123 in words is "thirty-one trillion, three hundred thirty-two million, one hundred two thousand, one hundred twenty-three".
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