Base | Representation |
---|---|
bin | 11100111001101001… |
… | …101110011001001000 |
3 | 2222002200012110101021 |
4 | 130321221232121020 |
5 | 1002023143312222 |
6 | 22131135402224 |
7 | 2146000510162 |
oct | 347151563110 |
9 | 88080173337 |
10 | 31032010312 |
11 | 12184840716 |
12 | 6020683374 |
13 | 2c0712c2a4 |
14 | 1705529932 |
15 | c1952eac7 |
hex | 739a6e648 |
31032010312 has 8 divisors (see below), whose sum is σ = 58185019350. Its totient is φ = 15516005152.
The previous prime is 31032010271. The next prime is 31032010363. The reversal of 31032010312 is 21301023013.
It can be written as a sum of positive squares in only one way, i.e., 29940765156 + 1091245156 = 173034^2 + 33034^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939500637 + ... + 1939500652.
Almost surely, 231032010312 is an apocalyptic number.
It is an amenable number.
31032010312 is a deficient number, since it is larger than the sum of its proper divisors (27153009038).
31032010312 is a wasteful number, since it uses less digits than its factorization.
31032010312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3879001295 (or 3879001291 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 31032010312 its reverse (21301023013), we get a palindrome (52333033325).
The spelling of 31032010312 in words is "thirty-one billion, thirty-two million, ten thousand, three hundred twelve".
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