Base | Representation |
---|---|
bin | 111011100010… |
… | …0100110110001 |
3 | 2011201211120010 |
4 | 1313010212301 |
5 | 30442322001 |
6 | 3033005133 |
7 | 526212630 |
oct | 167044661 |
9 | 64654503 |
10 | 31214001 |
11 | 1668a5a5 |
12 | a5537a9 |
13 | 660b730 |
14 | 4207517 |
15 | 2b188d6 |
hex | 1dc49b1 |
31214001 has 32 divisors (see below), whose sum is σ = 52433920. Its totient is φ = 16075584.
The previous prime is 31213999. The next prime is 31214021. The reversal of 31214001 is 10041213.
It is a happy number.
It is not a de Polignac number, because 31214001 - 21 = 31213999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31214021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10410 + ... + 13068.
It is an arithmetic number, because the mean of its divisors is an integer number (1638560).
Almost surely, 231214001 is an apocalyptic number.
It is an amenable number.
31214001 is a deficient number, since it is larger than the sum of its proper divisors (21219919).
31214001 is a wasteful number, since it uses less digits than its factorization.
31214001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2725.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 31214001 is about 5586.9491674795. The cubic root of 31214001 is about 314.8592669398.
Adding to 31214001 its reverse (10041213), we get a palindrome (41255214).
The spelling of 31214001 in words is "thirty-one million, two hundred fourteen thousand, one".
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