Base | Representation |
---|---|
bin | 10101101000101100… |
… | …011111100001111111 |
3 | 2012222000211212021121 |
4 | 111220230133201333 |
5 | 340034210033211 |
6 | 14401120011411 |
7 | 1451460023221 |
oct | 255054374177 |
9 | 65860755247 |
10 | 23231330431 |
11 | 9941531441 |
12 | 4604160b67 |
13 | 2262c95b8a |
14 | 11a5508411 |
15 | 90e7a7271 |
hex | 568b1f87f |
23231330431 has 8 divisors (see below), whose sum is σ = 23376036960. Its totient is φ = 23086744032.
The previous prime is 23231330393. The next prime is 23231330453. The reversal of 23231330431 is 13403313232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23231330431 - 211 = 23231328383 is a prime.
It is a super-2 number, since 2×232313304312 (a number of 22 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 = 23231330396 and 23231330405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23231330461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374830 + ... + 432388.
It is an arithmetic number, because the mean of its divisors is an integer number (2922004620).
Almost surely, 223231330431 is an apocalyptic number.
23231330431 is a deficient number, since it is larger than the sum of its proper divisors (144706529).
23231330431 is a wasteful number, since it uses less digits than its factorization.
23231330431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60065.
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 23231330431 its reverse (13403313232), we get a palindrome (36634643663).
The spelling of 23231330431 in words is "twenty-three billion, two hundred thirty-one million, three hundred thirty thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •