Base | Representation |
---|---|
bin | 10010101011110011… |
… | …00111110000110111 |
3 | 221220002021211110111 |
4 | 21111321213300313 |
5 | 131020430244111 |
6 | 4335213203451 |
7 | 503402653225 |
oct | 112571476067 |
9 | 27802254414 |
10 | 10031103031 |
11 | 42883291a4 |
12 | 1b3b490587 |
13 | c3b28a531 |
14 | 6b233bb15 |
15 | 3da9a3a21 |
hex | 255e67c37 |
10031103031 has 2 divisors, whose sum is σ = 10031103032. Its totient is φ = 10031103030.
The previous prime is 10031103023. The next prime is 10031103053. The reversal of 10031103031 is 13030113001.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 10031103031 - 23 = 10031103023 is a prime.
It is a super-2 number, since 2×100311030312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10031103331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015551515 + 5015551516.
It is an arithmetic number, because the mean of its divisors is an integer number (5015551516).
Almost surely, 210031103031 is an apocalyptic number.
10031103031 is a deficient number, since it is larger than the sum of its proper divisors (1).
10031103031 is an equidigital number, since it uses as much as digits as its factorization.
10031103031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27, while the sum is 13.
Adding to 10031103031 its reverse (13030113001), we get a palindrome (23061216032).
The spelling of 10031103031 in words is "ten billion, thirty-one million, one hundred three thousand, thirty-one".
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