Base | Representation |
---|---|
bin | 1110010000001111100011… |
… | …01011100111100100100001 |
3 | 11002222111110022000001202120 |
4 | 13020013301223213210201 |
5 | 13102021343330232431 |
6 | 150355233255334453 |
7 | 6413363136246045 |
oct | 710076153474441 |
9 | 132874408001676 |
10 | 31344431102241 |
11 | 9a9510a233a54 |
12 | 3622916681429 |
13 | 14649c861b81a |
14 | 7a51157d6025 |
15 | 395519715196 |
hex | 1c81f1ae7921 |
31344431102241 has 16 divisors (see below), whose sum is σ = 42009504153600. Its totient is φ = 20787966679248.
The previous prime is 31344431102209. The next prime is 31344431102249. The reversal of 31344431102241 is 14220113444313.
It is a happy number.
It is not a de Polignac number, because 31344431102241 - 25 = 31344431102209 is a prime.
It is a super-2 number, since 2×313444311022412 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31344431102249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17122381 + ... + 18864378.
It is an arithmetic number, because the mean of its divisors is an integer number (2625594009600).
Almost surely, 231344431102241 is an apocalyptic number.
It is an amenable number.
31344431102241 is a deficient number, since it is larger than the sum of its proper divisors (10665073051359).
31344431102241 is a wasteful number, since it uses less digits than its factorization.
31344431102241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35988268.
The product of its (nonzero) digits is 27648, while the sum is 33.
Adding to 31344431102241 its reverse (14220113444313), we get a palindrome (45564544546554).
The spelling of 31344431102241 in words is "thirty-one trillion, three hundred forty-four billion, four hundred thirty-one million, one hundred two thousand, two hundred forty-one".
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