Base | Representation |
---|---|
bin | 10101101101011001… |
… | …110010011001000111 |
3 | 2020011112110121001002 |
4 | 111231121302121013 |
5 | 340214420004111 |
6 | 14413020523515 |
7 | 1453436251205 |
oct | 255531623107 |
9 | 66145417032 |
10 | 23310313031 |
11 | 9982078215 |
12 | 46266b059b |
13 | 227645b145 |
14 | 11b1bc8075 |
15 | 9166a963b |
hex | 56d672647 |
23310313031 has 4 divisors (see below), whose sum is σ = 23750130312. Its totient is φ = 22870495752.
The previous prime is 23310313027. The next prime is 23310313049. The reversal of 23310313031 is 13031301332.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23310313031 - 22 = 23310313027 is a prime.
It is a super-2 number, since 2×233103130312 (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 = 23310312994 and 23310313012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23310313021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219908561 + ... + 219908666.
It is an arithmetic number, because the mean of its divisors is an integer number (5937532578).
Almost surely, 223310313031 is an apocalyptic number.
23310313031 is a deficient number, since it is larger than the sum of its proper divisors (439817281).
23310313031 is an equidigital number, since it uses as much as digits as its factorization.
23310313031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439817280.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 23310313031 its reverse (13031301332), we get a palindrome (36341614363).
The spelling of 23310313031 in words is "twenty-three billion, three hundred ten million, three hundred thirteen thousand, thirty-one".
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