Base | Representation |
---|---|
bin | 1110010010011110110001… |
… | …01100100100110111011010 |
3 | 11010020211220220112120000200 |
4 | 13021033120230210313122 |
5 | 13104301331230143414 |
6 | 150454431124043030 |
7 | 6422054430400446 |
oct | 711173054446732 |
9 | 133224826476020 |
10 | 31421321334234 |
11 | a014786817327 |
12 | 36357b4b33476 |
13 | 146c0303b8510 |
14 | 7a8b2b553826 |
15 | 397519bab109 |
hex | 1c93d8b24dda |
31421321334234 has 48 divisors (see below), whose sum is σ = 73316883223584. Its totient is φ = 9668037319200.
The previous prime is 31421321334233. The next prime is 31421321334281. The reversal of 31421321334234 is 43243312312413.
31421321334234 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 13 + 213 + 3 + 423 + 4 = 666.
It is not an unprimeable number, because it can be changed into a prime (31421321334233) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48201049 + ... + 48848579.
It is an arithmetic number, because the mean of its divisors is an integer number (1527435067158).
Almost surely, 231421321334234 is an apocalyptic number.
31421321334234 is an abundant number, since it is smaller than the sum of its proper divisors (41895561889350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31421321334234 is a wasteful number, since it uses less digits than its factorization.
31421321334234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854923 (or 854920 counting only the distinct ones).
The product of its digits is 124416, while the sum is 36.
Adding to 31421321334234 its reverse (43243312312413), we get a palindrome (74664633646647).
The spelling of 31421321334234 in words is "thirty-one trillion, four hundred twenty-one billion, three hundred twenty-one million, three hundred thirty-four thousand, two hundred thirty-four".
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