Base | Representation |
---|---|
bin | 1101011100111011010… |
… | …0000110011110100001 |
3 | 211002111222010101012222 |
4 | 3113032310012132201 |
5 | 12241244333444301 |
6 | 254100044000425 |
7 | 22460643232160 |
oct | 3271664063641 |
9 | 732458111188 |
10 | 231103031201 |
11 | 8a0126aa969 |
12 | 38957b30115 |
13 | 18a40086853 |
14 | b284c173d7 |
15 | 6028d3231b |
hex | 35ced067a1 |
231103031201 has 16 divisors (see below), whose sum is σ = 279687510144. Its totient is φ = 186413777664.
The previous prime is 231103031183. The next prime is 231103031213. The reversal of 231103031201 is 102130301132.
It is a cyclic number.
It is not a de Polignac number, because 231103031201 - 234 = 213923162017 is a prime.
It is a super-2 number, since 2×2311030312012 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 231103031201.
It is not an unprimeable number, because it can be changed into a prime (231103031261) 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, 922766 + ... + 1146168.
It is an arithmetic number, because the mean of its divisors is an integer number (17480469384).
Almost surely, 2231103031201 is an apocalyptic number.
It is an amenable number.
231103031201 is a deficient number, since it is larger than the sum of its proper divisors (48584478943).
231103031201 is a wasteful number, since it uses less digits than its factorization.
231103031201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232120.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 231103031201 its reverse (102130301132), we get a palindrome (333233332333).
The spelling of 231103031201 in words is "two hundred thirty-one billion, one hundred three million, thirty-one thousand, two hundred one".
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