Base | Representation |
---|---|
bin | 1110010001111110111100… |
… | …00011000000001010000111 |
3 | 11010012012210212111022110102 |
4 | 13020333132003000022013 |
5 | 13104011331143330322 |
6 | 150442523223514315 |
7 | 6420611061041102 |
oct | 710773603001207 |
9 | 133165725438412 |
10 | 31404231230087 |
11 | a008506906111 |
12 | 36324255b899b |
13 | 146a538837961 |
14 | 7a7d898db739 |
15 | 396d69636792 |
hex | 1c8fde0c0287 |
31404231230087 has 2 divisors, whose sum is σ = 31404231230088. Its totient is φ = 31404231230086.
The previous prime is 31404231230083. The next prime is 31404231230143. The reversal of 31404231230087 is 78003213240413.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 31404231230087 - 22 = 31404231230083 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31404231230087.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31404231230083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15702115615043 + 15702115615044.
It is an arithmetic number, because the mean of its divisors is an integer number (15702115615044).
Almost surely, 231404231230087 is an apocalyptic number.
31404231230087 is a deficient number, since it is larger than the sum of its proper divisors (1).
31404231230087 is an equidigital number, since it uses as much as digits as its factorization.
31404231230087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96768, while the sum is 38.
The spelling of 31404231230087 in words is "thirty-one trillion, four hundred four billion, two hundred thirty-one million, two hundred thirty thousand, eighty-seven".
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