Base | Representation |
---|---|
bin | 111101001001011011… |
… | …1110101111001111011 |
3 | 110112221102211012220011 |
4 | 1322102313311321323 |
5 | 4122412130144011 |
6 | 140154024042351 |
7 | 12326030125000 |
oct | 1722267657173 |
9 | 415842735804 |
10 | 131313131131 |
11 | 50764925a76 |
12 | 215486033b7 |
13 | c4c8c595c0 |
14 | 64d9a478a7 |
15 | 3638299621 |
hex | 1e92df5e7b |
131313131131 has 16 divisors (see below), whose sum is σ = 164914456000. Its totient is φ = 103896100224.
The previous prime is 131313131101. The next prime is 131313131149. The reversal of 131313131131 is 131131313131.
It is not a de Polignac number, because 131313131131 - 221 = 131311033979 is a prime.
It is a super-2 number, since 2×1313131311312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131313131101) 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, 14720046 + ... + 14728963.
It is an arithmetic number, because the mean of its divisors is an integer number (10307153500).
Almost surely, 2131313131131 is an apocalyptic number.
131313131131 is a deficient number, since it is larger than the sum of its proper divisors (33601324869).
131313131131 is an equidigital number, since it uses as much as digits as its factorization.
131313131131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29449043 (or 29449029 counting only the distinct ones).
The product of its digits is 243, while the sum is 22.
Adding to 131313131131 its reverse (131131313131), we get a palindrome (262444444262).
The spelling of 131313131131 in words is "one hundred thirty-one billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •