Base | Representation |
---|---|
bin | 1001001100110011110010… |
… | …10000011111101001011111 |
3 | 2122122002121012021220220100 |
4 | 10212121321100133221133 |
5 | 10122432231031044411 |
6 | 111010051141552143 |
7 | 4155444140263305 |
oct | 446317120375137 |
9 | 78562535256810 |
10 | 20231330331231 |
11 | 64a00715a6868 |
12 | 2328b73715653 |
13 | b39a63492936 |
14 | 4dd2b7322275 |
15 | 2513e3b16456 |
hex | 12667941fa5f |
20231330331231 has 48 divisors (see below), whose sum is σ = 29897180739712. Its totient is φ = 13179596443200.
The previous prime is 20231330331229. The next prime is 20231330331269. The reversal of 20231330331231 is 13213303313202.
20231330331231 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 13 + 303 + 312 + 31 = 666.
It is not a de Polignac number, because 20231330331231 - 21 = 20231330331229 is a prime.
It is a super-2 number, since 2×202313303312312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20231330331195 and 20231330331204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20231330331271) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51229776 + ... + 51623178.
Almost surely, 220231330331231 is an apocalyptic number.
20231330331231 is a deficient number, since it is larger than the sum of its proper divisors (9665850408481).
20231330331231 is a wasteful number, since it uses less digits than its factorization.
20231330331231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 394084 (or 394081 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
Adding to 20231330331231 its reverse (13213303313202), we get a palindrome (33444633644433).
The spelling of 20231330331231 in words is "twenty trillion, two hundred thirty-one billion, three hundred thirty million, three hundred thirty-one thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.118 sec. • engine limits •