Base | Representation |
---|---|
bin | 111001011000100110… |
… | …1111111111000000111 |
3 | 102210002021100112101012 |
4 | 1302301031333320013 |
5 | 4004334433233111 |
6 | 132340120152435 |
7 | 11621545305611 |
oct | 1626115777007 |
9 | 383067315335 |
10 | 123232321031 |
11 | 48298483816 |
12 | 1ba7230871b |
13 | b80ba61471 |
14 | 5d70745db1 |
15 | 3313b3a48b |
hex | 1cb137fe07 |
123232321031 has 2 divisors, whose sum is σ = 123232321032. Its totient is φ = 123232321030.
The previous prime is 123232321001. The next prime is 123232321039. The reversal of 123232321031 is 130123232321.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 123232321031 - 226 = 123165212167 is a prime.
It is a super-2 number, since 2×1232323210312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 123232320988 and 123232321006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123232321039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616160515 + 61616160516.
It is an arithmetic number, because the mean of its divisors is an integer number (61616160516).
Almost surely, 2123232321031 is an apocalyptic number.
123232321031 is a deficient number, since it is larger than the sum of its proper divisors (1).
123232321031 is an equidigital number, since it uses as much as digits as its factorization.
123232321031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 123232321031 its reverse (130123232321), we get a palindrome (253355553352).
The spelling of 123232321031 in words is "one hundred twenty-three billion, two hundred thirty-two million, three hundred twenty-one thousand, thirty-one".
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