Base | Representation |
---|---|
bin | 11100111010001000… |
… | …010010011001111101 |
3 | 2222010020021111112200 |
4 | 130322020102121331 |
5 | 1002032221202031 |
6 | 22132023222113 |
7 | 2146125556242 |
oct | 347210223175 |
9 | 88106244480 |
10 | 31040022141 |
11 | 12189313067 |
12 | 60232a7939 |
13 | 2c089a5c0b |
14 | 17066135c9 |
15 | c1a0b38e6 |
hex | 73a21267d |
31040022141 has 24 divisors (see below), whose sum is σ = 45848210304. Its totient is φ = 20227112640.
The previous prime is 31040022137. The next prime is 31040022149. The reversal of 31040022141 is 14122004013.
31040022141 is a `hidden beast` number, since 3 + 1 + 0 + 400 + 221 + 41 = 666.
It is not a de Polignac number, because 31040022141 - 22 = 31040022137 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31040022149) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286281 + ... + 379521.
It is an arithmetic number, because the mean of its divisors is an integer number (1910342096).
Almost surely, 231040022141 is an apocalyptic number.
It is an amenable number.
31040022141 is a deficient number, since it is larger than the sum of its proper divisors (14808188163).
31040022141 is a wasteful number, since it uses less digits than its factorization.
31040022141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94081 (or 94078 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 31040022141 its reverse (14122004013), we get a palindrome (45162026154).
The spelling of 31040022141 in words is "thirty-one billion, forty million, twenty-two thousand, one hundred forty-one".
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