Base | Representation |
---|---|
bin | 1001101000101110100… |
… | …10011110100010010111 |
3 | 1011122122011002100222111 |
4 | 10310113102132202113 |
5 | 20411044404421211 |
6 | 412035014411451 |
7 | 32631021530032 |
oct | 4642722364227 |
9 | 1148564070874 |
10 | 331103201431 |
11 | 118469141952 |
12 | 54205960b87 |
13 | 252b8925902 |
14 | 1204dcc0019 |
15 | 892d0a2421 |
hex | 4d1749e897 |
331103201431 has 4 divisors (see below), whose sum is σ = 331114516200. Its totient is φ = 331091886664.
The previous prime is 331103201411. The next prime is 331103201447. The reversal of 331103201431 is 134102301133.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134102301133 = 15359 ⋅8731187.
It is a cyclic number.
It is not a de Polignac number, because 331103201431 - 235 = 296743463063 is a prime.
It is a super-2 number, since 2×3311032014312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331103201411) 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, 5613376 + ... + 5672053.
It is an arithmetic number, because the mean of its divisors is an integer number (82778629050).
Almost surely, 2331103201431 is an apocalyptic number.
331103201431 is a deficient number, since it is larger than the sum of its proper divisors (11314769).
331103201431 is a wasteful number, since it uses less digits than its factorization.
331103201431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11314768.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 331103201431 its reverse (134102301133), we get a palindrome (465205502564).
The spelling of 331103201431 in words is "three hundred thirty-one billion, one hundred three million, two hundred one thousand, four hundred thirty-one".
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