Base | Representation |
---|---|
bin | 11100111011100101… |
… | …101111110110010011 |
3 | 2222011221101020012201 |
4 | 130323211233312103 |
5 | 1002110004202011 |
6 | 22134300304031 |
7 | 2146544036626 |
oct | 347345576623 |
9 | 88157336181 |
10 | 31064522131 |
11 | 121a1127295 |
12 | 602b542017 |
13 | 2c10aa3656 |
14 | 170998ddbd |
15 | c1c302cc1 |
hex | 73b96fd93 |
31064522131 has 8 divisors (see below), whose sum is σ = 34121214720. Its totient is φ = 28150001352.
The previous prime is 31064522117. The next prime is 31064522141. The reversal of 31064522131 is 13122546013.
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 31064522131 - 215 = 31064489363 is a prime.
It is a super-2 number, since 2×310645221312 (a number of 22 digits) contains 22 as substring.
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 31064522131.
It is not an unprimeable number, because it can be changed into a prime (31064522101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35542495 + ... + 35543368.
It is an arithmetic number, because the mean of its divisors is an integer number (4265151840).
Almost surely, 231064522131 is an apocalyptic number.
31064522131 is a deficient number, since it is larger than the sum of its proper divisors (3056692589).
31064522131 is a wasteful number, since it uses less digits than its factorization.
31064522131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71085905.
The product of its (nonzero) digits is 4320, while the sum is 28.
The spelling of 31064522131 in words is "thirty-one billion, sixty-four million, five hundred twenty-two thousand, one hundred thirty-one".
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