Base | Representation |
---|---|
bin | 11101000100010101… |
… | …110100100011010010 |
3 | 2222120011122110020220 |
4 | 131010111310203102 |
5 | 1002410100421114 |
6 | 22201023213510 |
7 | 2153306013165 |
oct | 350425644322 |
9 | 88504573226 |
10 | 31211342034 |
11 | 12266a97254 |
12 | 6070747296 |
13 | 2c3532ac32 |
14 | 172128badc |
15 | c2a1550a9 |
hex | 7445748d2 |
31211342034 has 8 divisors (see below), whose sum is σ = 62422684080. Its totient is φ = 10403780676.
The previous prime is 31211341999. The next prime is 31211342053. The reversal of 31211342034 is 43024311213.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
31211342034 is an admirable number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31211341995 and 31211342013.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600945164 + ... + 2600945175.
It is an arithmetic number, because the mean of its divisors is an integer number (7802835510).
Almost surely, 231211342034 is an apocalyptic number.
31211342034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31211342034 is a wasteful number, since it uses less digits than its factorization.
31211342034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5201890344.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 31211342034 its reverse (43024311213), we get a palindrome (74235653247).
The spelling of 31211342034 in words is "thirty-one billion, two hundred eleven million, three hundred forty-two thousand, thirty-four".
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