Base | Representation |
---|---|
bin | 101101100011111110011… |
… | …001001111001110001101 |
3 | 102002022200001211012100102 |
4 | 231203332121033032031 |
5 | 402244244040022201 |
6 | 10354210302340445 |
7 | 442131126520316 |
oct | 55437631171615 |
9 | 12068601735312 |
10 | 3131004220301 |
11 | aa7940291441 |
12 | 426986b8a725 |
13 | 19933878b819 |
14 | ab7818cb60d |
15 | 566a081e26b |
hex | 2d8fe64f38d |
3131004220301 has 4 divisors (see below), whose sum is σ = 3238969883100. Its totient is φ = 3023038557504.
The previous prime is 3131004220273. The next prime is 3131004220303. The reversal of 3131004220301 is 1030224001313.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 696699049225 + 2434305171076 = 834685^2 + 1560226^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3131004220301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131004220303) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53982831356 + ... + 53982831413.
It is an arithmetic number, because the mean of its divisors is an integer number (809742470775).
Almost surely, 23131004220301 is an apocalyptic number.
It is an amenable number.
3131004220301 is a deficient number, since it is larger than the sum of its proper divisors (107965662799).
3131004220301 is a wasteful number, since it uses less digits than its factorization.
3131004220301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107965662798.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 3131004220301 its reverse (1030224001313), we get a palindrome (4161228221614).
The spelling of 3131004220301 in words is "three trillion, one hundred thirty-one billion, four million, two hundred twenty thousand, three hundred one".
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