Base | Representation |
---|---|
bin | 101101100100000000100… |
… | …101100011001010001001 |
3 | 102002022202122000220112001 |
4 | 231210000211203022021 |
5 | 402244332444031441 |
6 | 10354214054551001 |
7 | 442132054253044 |
oct | 55440045431211 |
9 | 12068678026461 |
10 | 3131041002121 |
11 | aa795a02413a |
12 | 426997368461 |
13 | 199343299606 |
14 | ab786743c5b |
15 | 566a3b87731 |
hex | 2d900963289 |
3131041002121 has 8 divisors (see below), whose sum is σ = 3131687232000. Its totient is φ = 3130394860560.
The previous prime is 3131041002079. The next prime is 3131041002127. The reversal of 3131041002121 is 1212001401313.
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 3131041002121 - 233 = 3122451067529 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3131041002127) 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, 191856600 + ... + 191872918.
It is an arithmetic number, because the mean of its divisors is an integer number (391460904000).
Almost surely, 23131041002121 is an apocalyptic number.
It is an amenable number.
3131041002121 is a deficient number, since it is larger than the sum of its proper divisors (646229879).
3131041002121 is a wasteful number, since it uses less digits than its factorization.
3131041002121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44159.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 3131041002121 its reverse (1212001401313), we get a palindrome (4343042403434).
The spelling of 3131041002121 in words is "three trillion, one hundred thirty-one billion, forty-one million, two thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •