Base | Representation |
---|---|
bin | 11101001011100010… |
… | …100000111011010000 |
3 | 2222212120220002210201 |
4 | 131023202200323100 |
5 | 1003132010010112 |
6 | 22221015504544 |
7 | 2156303353366 |
oct | 351342407320 |
9 | 88776802721 |
10 | 31332110032 |
11 | 12319183013 |
12 | 60a5088154 |
13 | 2c543635a2 |
14 | 1733327636 |
15 | c35a5d257 |
hex | 74b8a0ed0 |
31332110032 has 20 divisors (see below), whose sum is σ = 64276902756. Its totient is φ = 14744522240.
The previous prime is 31332109987. The next prime is 31332110053. The reversal of 31332110032 is 23001123313.
It can be written as a sum of positive squares in 2 ways, for example, as 27514847376 + 3817262656 = 165876^2 + 61784^2 .
It is a super-2 number, since 2×313321100322 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31332109991 and 31332110009.
It is a congruent number.
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, 57595519 + ... + 57596062.
Almost surely, 231332110032 is an apocalyptic number.
It is an amenable number.
31332110032 is an abundant number, since it is smaller than the sum of its proper divisors (32944792724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31332110032 is a wasteful number, since it uses less digits than its factorization.
31332110032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115191606 (or 115191600 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 31332110032 its reverse (23001123313), we get a palindrome (54333233345).
The spelling of 31332110032 in words is "thirty-one billion, three hundred thirty-two million, one hundred ten thousand, thirty-two".
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