Base | Representation |
---|---|
bin | 1000100111010001… |
… | …0110101100010111 |
3 | 12222010211002021022 |
4 | 2021310112230113 |
5 | 14213410444111 |
6 | 1021234311355 |
7 | 111204254465 |
oct | 21164265427 |
9 | 5863732238 |
10 | 2312203031 |
11 | a871a63a6 |
12 | 54642855b |
13 | 2ab058698 |
14 | 17d127835 |
15 | d7ed22db |
hex | 89d16b17 |
2312203031 has 16 divisors (see below), whose sum is σ = 2570473440. Its totient is φ = 2069760000.
The previous prime is 2312203027. The next prime is 2312203039. The reversal of 2312203031 is 1303022132.
2312203031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 2312203031 - 22 = 2312203027 is a prime.
It is a super-2 number, since 2×23122030312 = 10692565713131173922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2312203039) 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, 1970 + ... + 68031.
It is an arithmetic number, because the mean of its divisors is an integer number (160654590).
Almost surely, 22312203031 is an apocalyptic number.
2312203031 is a deficient number, since it is larger than the sum of its proper divisors (258270409).
2312203031 is a wasteful number, since it uses less digits than its factorization.
2312203031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70114.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 2312203031 is about 48085.3723184088. The cubic root of 2312203031 is about 1322.3365089377.
Adding to 2312203031 its reverse (1303022132), we get a palindrome (3615225163).
The spelling of 2312203031 in words is "two billion, three hundred twelve million, two hundred three thousand, thirty-one".
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