Base | Representation |
---|---|
bin | 1000100111011110… |
… | …0011110001010111 |
3 | 12222012101202112102 |
4 | 2021313203301113 |
5 | 14214114334111 |
6 | 1021304312315 |
7 | 111214353455 |
oct | 21167436127 |
9 | 5865352472 |
10 | 2313043031 |
11 | a8771a512 |
12 | 54677269b |
13 | 2ab290b20 |
14 | 17d2a59d5 |
15 | d80eb13b |
hex | 89de3c57 |
2313043031 has 4 divisors (see below), whose sum is σ = 2490969432. Its totient is φ = 2135116632.
The previous prime is 2313043009. The next prime is 2313043063. The reversal of 2313043031 is 1303403132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2313043031 - 218 = 2312780887 is a prime.
It is a super-2 number, since 2×23130430312 = 10700336126515333922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2313042994 and 2313043012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2313043081) 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, 88963181 + ... + 88963206.
It is an arithmetic number, because the mean of its divisors is an integer number (622742358).
Almost surely, 22313043031 is an apocalyptic number.
2313043031 is a deficient number, since it is larger than the sum of its proper divisors (177926401).
2313043031 is a wasteful number, since it uses less digits than its factorization.
2313043031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177926400.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 2313043031 is about 48094.1059902354. The cubic root of 2313043031 is about 1322.4966200482.
Adding to 2313043031 its reverse (1303403132), we get a palindrome (3616446163).
The spelling of 2313043031 in words is "two billion, three hundred thirteen million, forty-three thousand, thirty-one".
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