Base | Representation |
---|---|
bin | 111111100010100… |
… | …0011011010011011 |
3 | 12111120210101212222 |
4 | 1333011003122123 |
5 | 13331244444011 |
6 | 551320454255 |
7 | 103555652126 |
oct | 17705033233 |
9 | 5446711788 |
10 | 2132031131 |
11 | 9a45265aa |
12 | 4b601a38b |
13 | 27c9244a9 |
14 | 1632273bd |
15 | c7292ddb |
hex | 7f14369b |
2132031131 has 4 divisors (see below), whose sum is σ = 2189653632. Its totient is φ = 2074408632.
The previous prime is 2132031103. The next prime is 2132031133. The reversal of 2132031131 is 1311302312.
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 2132031131 - 222 = 2127836827 is a prime.
It is a super-2 number, since 2×21320311312 = 9091113487106278322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2132031133) 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, 28811195 + ... + 28811268.
It is an arithmetic number, because the mean of its divisors is an integer number (547413408).
Almost surely, 22132031131 is an apocalyptic number.
2132031131 is a deficient number, since it is larger than the sum of its proper divisors (57622501).
2132031131 is an equidigital number, since it uses as much as digits as its factorization.
2132031131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57622500.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 2132031131 is about 46173.9226295536. The cubic root of 2132031131 is about 1287.0571964679.
Adding to 2132031131 its reverse (1311302312), we get a palindrome (3443333443).
The spelling of 2132031131 in words is "two billion, one hundred thirty-two million, thirty-one thousand, one hundred thirty-one".
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