Base | Representation |
---|---|
bin | 11111000000111100000… |
… | …011000011101010111001 |
3 | 21112202021202001122000021 |
4 | 133000330003003222321 |
5 | 234404411132310431 |
6 | 4311035540010441 |
7 | 306660610254400 |
oct | 37007403035271 |
9 | 7482252048007 |
10 | 2131311213241 |
11 | 75197a686921 |
12 | 2a508b990a21 |
13 | 125c9bc9ba12 |
14 | 75228158637 |
15 | 3a690ee8b11 |
hex | 1f03c0c3ab9 |
2131311213241 has 24 divisors (see below), whose sum is σ = 2550754514400. Its totient is φ = 1774920071232.
The previous prime is 2131311213223. The next prime is 2131311213281. The reversal of 2131311213241 is 1423121131312.
It is not a de Polignac number, because 2131311213241 - 235 = 2096951474873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2131311213281) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4206891 + ... + 4686208.
It is an arithmetic number, because the mean of its divisors is an integer number (106281438100).
Almost surely, 22131311213241 is an apocalyptic number.
It is an amenable number.
2131311213241 is a deficient number, since it is larger than the sum of its proper divisors (419443301159).
2131311213241 is an equidigital number, since it uses as much as digits as its factorization.
2131311213241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8893253 (or 8893246 counting only the distinct ones).
The product of its digits is 864, while the sum is 25.
Adding to 2131311213241 its reverse (1423121131312), we get a palindrome (3554432344553).
The spelling of 2131311213241 in words is "two trillion, one hundred thirty-one billion, three hundred eleven million, two hundred thirteen thousand, two hundred forty-one".
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