Base | Representation |
---|---|
bin | 11101001111100101… |
… | …011111101110011101 |
3 | 10000001022122021220021 |
4 | 131033211133232131 |
5 | 1003301400003123 |
6 | 22231442552141 |
7 | 2161056412465 |
oct | 351745375635 |
9 | 100038567807 |
10 | 31400000413 |
11 | 12353533071 |
12 | 6103968651 |
13 | 2c65443b02 |
14 | 173c35aba5 |
15 | c3b9bdc5d |
hex | 74f95fb9d |
31400000413 has 2 divisors, whose sum is σ = 31400000414. Its totient is φ = 31400000412.
The previous prime is 31400000389. The next prime is 31400000431.
31400000413 is nontrivially palindromic in base 10.
Together with next prime (31400000431) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30099821049 + 1300179364 = 173493^2 + 36058^2 .
It is a palprime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31400000413 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31400000113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700000206 + 15700000207.
It is an arithmetic number, because the mean of its divisors is an integer number (15700000207).
Almost surely, 231400000413 is an apocalyptic number.
It is an amenable number.
31400000413 is a deficient number, since it is larger than the sum of its proper divisors (1).
31400000413 is an equidigital number, since it uses as much as digits as its factorization.
31400000413 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 16.
It can be divided in two parts, 31400000 and 413, that added together give a palindrome (31400413).
The spelling of 31400000413 in words is "thirty-one billion, four hundred million, four hundred thirteen", and thus it is an aban number.
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