Base | Representation |
---|---|
bin | 10101100111000000… |
… | …110101110010001111 |
3 | 2012220001202010011121 |
4 | 111213000311302033 |
5 | 340004444010111 |
6 | 14354231101411 |
7 | 1450665116053 |
oct | 254700656217 |
9 | 65801663147 |
10 | 23203110031 |
11 | 9927606aa2 |
12 | 45b6811867 |
13 | 225a194c0a |
14 | 11a187dc63 |
15 | 90c080871 |
hex | 567035c8f |
23203110031 has 2 divisors, whose sum is σ = 23203110032. Its totient is φ = 23203110030.
The previous prime is 23203110013. The next prime is 23203110053. The reversal of 23203110031 is 13001130232.
Together with previous prime (23203110013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23203110031 - 25 = 23203109999 is a prime.
It is a super-2 number, since 2×232031100312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23203109987 and 23203110014.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23203110001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601555015 + 11601555016.
It is an arithmetic number, because the mean of its divisors is an integer number (11601555016).
Almost surely, 223203110031 is an apocalyptic number.
23203110031 is a deficient number, since it is larger than the sum of its proper divisors (1).
23203110031 is an equidigital number, since it uses as much as digits as its factorization.
23203110031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 23203110031 its reverse (13001130232), we get a palindrome (36204240263).
The spelling of 23203110031 in words is "twenty-three billion, two hundred three million, one hundred ten thousand, thirty-one".
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