Base | Representation |
---|---|
bin | 11100111000100001… |
… | …010100110010000001 |
3 | 2222001100111012201022 |
4 | 130320201110302001 |
5 | 1002003313443131 |
6 | 22125220515225 |
7 | 2145350262056 |
oct | 347041246201 |
9 | 88040435638 |
10 | 31013031041 |
11 | 12175058273 |
12 | 601624bb15 |
13 | 2c03215655 |
14 | 1702bc902d |
15 | c17a3137b |
hex | 738854c81 |
31013031041 has 2 divisors, whose sum is σ = 31013031042. Its totient is φ = 31013031040.
The previous prime is 31013030959. The next prime is 31013031079. The reversal of 31013031041 is 14013031013.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26621185600 + 4391845441 = 163160^2 + 66271^2 .
It is a cyclic number.
It is not a de Polignac number, because 31013031041 - 222 = 31008836737 is a prime.
It is not a weakly prime, because it can be changed into another prime (31013033041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506515520 + 15506515521.
It is an arithmetic number, because the mean of its divisors is an integer number (15506515521).
Almost surely, 231013031041 is an apocalyptic number.
It is an amenable number.
31013031041 is a deficient number, since it is larger than the sum of its proper divisors (1).
31013031041 is an equidigital number, since it uses as much as digits as its factorization.
31013031041 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 17.
Adding to 31013031041 its reverse (14013031013), we get a palindrome (45026062054).
The spelling of 31013031041 in words is "thirty-one billion, thirteen million, thirty-one thousand, forty-one".
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