Base | Representation |
---|---|
bin | 11100111001101110… |
… | …000011001111110110 |
3 | 2222002202100001221012 |
4 | 130321232003033312 |
5 | 1002023441104220 |
6 | 22131215552222 |
7 | 2146013242250 |
oct | 347156031766 |
9 | 88082301835 |
10 | 31033144310 |
11 | 12185445703 |
12 | 6020b2b672 |
13 | 2c074384ac |
14 | 1705742cd0 |
15 | c196a5ac5 |
hex | 739b833f6 |
31033144310 has 32 divisors (see below), whose sum is σ = 65565011520. Its totient is φ = 10352368512.
The previous prime is 31033144279. The next prime is 31033144321. The reversal of 31033144310 is 1344133013.
It is a super-2 number, since 2×310331443102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5988365 + ... + 5993544.
It is an arithmetic number, because the mean of its divisors is an integer number (2048906610).
Almost surely, 231033144310 is an apocalyptic number.
31033144310 is an abundant number, since it is smaller than the sum of its proper divisors (34531867210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31033144310 is a wasteful number, since it uses less digits than its factorization.
31033144310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11981960.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 31033144310 its reverse (1344133013), we get a palindrome (32377277323).
It can be divided in two parts, 3103 and 3144310, that added together give a palindrome (3147413).
The spelling of 31033144310 in words is "thirty-one billion, thirty-three million, one hundred forty-four thousand, three hundred ten".
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