Base | Representation |
---|---|
bin | 1101011101101100101… |
… | …0000111111100111011 |
3 | 211010001101211010202000 |
4 | 3113123022013330323 |
5 | 12242210343143003 |
6 | 254132402512043 |
7 | 22466036446530 |
oct | 3273312077473 |
9 | 733041733660 |
10 | 231310131003 |
11 | 8a1095a2026 |
12 | 389b5365623 |
13 | 18a73c58603 |
14 | b2a4526d87 |
15 | 603c0e01a3 |
hex | 35db287f3b |
231310131003 has 32 divisors (see below), whose sum is σ = 399968901120. Its totient is φ = 129364931520.
The previous prime is 231310130993. The next prime is 231310131011. The reversal of 231310131003 is 300131013132.
It is a happy number.
It is not a de Polignac number, because 231310131003 - 28 = 231310130747 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231310131023) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13010938 + ... + 13028703.
It is an arithmetic number, because the mean of its divisors is an integer number (12499028160).
Almost surely, 2231310131003 is an apocalyptic number.
231310131003 is a deficient number, since it is larger than the sum of its proper divisors (168658770117).
231310131003 is a wasteful number, since it uses less digits than its factorization.
231310131003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26039704 (or 26039698 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 231310131003 its reverse (300131013132), we get a palindrome (531441144135).
The spelling of 231310131003 in words is "two hundred thirty-one billion, three hundred ten million, one hundred thirty-one thousand, three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •