Base | Representation |
---|---|
bin | 101111110000010110111001… |
… | …001010101100101011111011 |
3 | 1000112122210111120201111020020 |
4 | 233300112321022230223323 |
5 | 210012123101344044011 |
6 | 2022411014232101523 |
7 | 62145155316260541 |
oct | 5760267112545373 |
9 | 1015583446644206 |
10 | 210031302331131 |
11 | 60a16858730016 |
12 | 1b6815822348a3 |
13 | 9026b36552518 |
14 | 39c17d8127d91 |
15 | 19435e210c006 |
hex | bf05b92acafb |
210031302331131 has 8 divisors (see below), whose sum is σ = 281507923544064. Its totient is φ = 139287774669480.
The previous prime is 210031302331099. The next prime is 210031302331177. The reversal of 210031302331131 is 131133203130012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 210031302331131 - 25 = 210031302331099 is a prime.
It is a super-2 number, since 2×2100313023311312 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (210031302331831) 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, 183273387151 + ... + 183273388296.
It is an arithmetic number, because the mean of its divisors is an integer number (35188490443008).
Almost surely, 2210031302331131 is an apocalyptic number.
210031302331131 is a deficient number, since it is larger than the sum of its proper divisors (71476621212933).
210031302331131 is a wasteful number, since it uses less digits than its factorization.
210031302331131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 366546775641.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 210031302331131 its reverse (131133203130012), we get a palindrome (341164505461143).
The spelling of 210031302331131 in words is "two hundred ten trillion, thirty-one billion, three hundred two million, three hundred thirty-one thousand, one hundred thirty-one".
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