Base | Representation |
---|---|
bin | 1110001101001111101100… |
… | …11010001101110110001001 |
3 | 11002121122121001112110220201 |
4 | 13012213312122031312021 |
5 | 13043324422342231101 |
6 | 150240040530252201 |
7 | 6403055534521105 |
oct | 706476632156611 |
9 | 132548531473821 |
10 | 31241431211401 |
11 | 9a55464502524 |
12 | 3606970127061 |
13 | 1458092465458 |
14 | 7a014419a905 |
15 | 3929dbe58e01 |
hex | 1c69f668dd89 |
31241431211401 has 8 divisors (see below), whose sum is σ = 31386877449984. Its totient is φ = 31096032742320.
The previous prime is 31241431211363. The next prime is 31241431211407. The reversal of 31241431211401 is 10411213414213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31241431211401 - 217 = 31241431080329 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31241431211401.
It is not an unprimeable number, because it can be changed into a prime (31241431211407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10630990 + ... + 13247671.
It is an arithmetic number, because the mean of its divisors is an integer number (3923359681248).
Almost surely, 231241431211401 is an apocalyptic number.
It is an amenable number.
31241431211401 is a deficient number, since it is larger than the sum of its proper divisors (145446238583).
31241431211401 is a wasteful number, since it uses less digits than its factorization.
31241431211401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23884751.
The product of its (nonzero) digits is 2304, while the sum is 28.
Adding to 31241431211401 its reverse (10411213414213), we get a palindrome (41652644625614).
The spelling of 31241431211401 in words is "thirty-one trillion, two hundred forty-one billion, four hundred thirty-one million, two hundred eleven thousand, four hundred one".
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