Base | Representation |
---|---|
bin | 111011101110… |
… | …1000100011001 |
3 | 2011220221000020 |
4 | 1313131010121 |
5 | 31004023301 |
6 | 3035101053 |
7 | 530111022 |
oct | 167350431 |
9 | 64827006 |
10 | 31314201 |
11 | 16748906 |
12 | a5a1789 |
13 | 6645219 |
14 | 4231c49 |
15 | 2b38436 |
hex | 1ddd119 |
31314201 has 16 divisors (see below), whose sum is σ = 44634240. Its totient is φ = 19479680.
The previous prime is 31314197. The next prime is 31314251. The reversal of 31314201 is 10241313.
It is a cyclic number.
It is not a de Polignac number, because 31314201 - 22 = 31314197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31314251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706 + ... + 8363.
It is an arithmetic number, because the mean of its divisors is an integer number (2789640).
Almost surely, 231314201 is an apocalyptic number.
It is an amenable number.
31314201 is a deficient number, since it is larger than the sum of its proper divisors (13320039).
31314201 is a wasteful number, since it uses less digits than its factorization.
31314201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11136.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 31314201 is about 5595.9093094867. The cubic root of 31314201 is about 315.1958167707.
Adding to 31314201 its reverse (10241313), we get a palindrome (41555514).
The spelling of 31314201 in words is "thirty-one million, three hundred fourteen thousand, two hundred one".
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