Base | Representation |
---|---|
bin | 11101010111111011… |
… | …111110001111110011 |
3 | 10000102002021121120012 |
4 | 131113323332033303 |
5 | 1004043232012243 |
6 | 22253410005135 |
7 | 2164410341261 |
oct | 352773761763 |
9 | 100362247505 |
10 | 31540110323 |
11 | 1241562a787 |
12 | 61428767ab |
13 | 2c8848c197 |
14 | 1752bcd431 |
15 | c48e47d18 |
hex | 757efe3f3 |
31540110323 has 2 divisors, whose sum is σ = 31540110324. Its totient is φ = 31540110322.
The previous prime is 31540110263. The next prime is 31540110367. The reversal of 31540110323 is 32301104513.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31540110323 - 214 = 31540093939 is a prime.
It is a super-2 number, since 2×315401103232 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (31540115323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15770055161 + 15770055162.
It is an arithmetic number, because the mean of its divisors is an integer number (15770055162).
Almost surely, 231540110323 is an apocalyptic number.
31540110323 is a deficient number, since it is larger than the sum of its proper divisors (1).
31540110323 is an equidigital number, since it uses as much as digits as its factorization.
31540110323 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1080, while the sum is 23.
Adding to 31540110323 its reverse (32301104513), we get a palindrome (63841214836).
The spelling of 31540110323 in words is "thirty-one billion, five hundred forty million, one hundred ten thousand, three hundred twenty-three".
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