Base | Representation |
---|---|
bin | 111011010100… |
… | …1000001110001 |
3 | 2011112002121102 |
4 | 1312221001301 |
5 | 30430213131 |
6 | 3030334145 |
7 | 525232406 |
oct | 166510161 |
9 | 64462542 |
10 | 31101041 |
11 | 16612744 |
12 | a4ba355 |
13 | 659c1aa |
14 | 41b82ad |
15 | 2ae51cb |
hex | 1da9071 |
31101041 has 4 divisors (see below), whose sum is σ = 32930532. Its totient is φ = 29271552.
The previous prime is 31101023. The next prime is 31101061. The reversal of 31101041 is 14010113.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 18879025 + 12222016 = 4345^2 + 3496^2 .
It is not a de Polignac number, because 31101041 - 26 = 31100977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31101061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914720 + ... + 914753.
It is an arithmetic number, because the mean of its divisors is an integer number (8232633).
Almost surely, 231101041 is an apocalyptic number.
It is an amenable number.
31101041 is a deficient number, since it is larger than the sum of its proper divisors (1829491).
31101041 is a wasteful number, since it uses less digits than its factorization.
31101041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1829490.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 31101041 is about 5576.8307308004. The cubic root of 31101041 is about 314.4789942859.
Adding to 31101041 its reverse (14010113), we get a palindrome (45111154).
The spelling of 31101041 in words is "thirty-one million, one hundred one thousand, forty-one".
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