Base | Representation |
---|---|
bin | 111101000011001011… |
… | …0011011000110111111 |
3 | 110112101210111200120110 |
4 | 1322012112123012333 |
5 | 4121444334402111 |
6 | 140121121121103 |
7 | 12320566326111 |
oct | 1720626330677 |
9 | 415353450513 |
10 | 131103044031 |
11 | 50667283473 |
12 | 214aa189193 |
13 | c49457cbcb |
14 | 64b9b9b3b1 |
15 | 3624aeb5a6 |
hex | 1e8659b1bf |
131103044031 has 8 divisors (see below), whose sum is σ = 174915618304. Its totient is φ = 87346249560.
The previous prime is 131103044029. The next prime is 131103044071. The reversal of 131103044031 is 130440301131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131103044031 - 21 = 131103044029 is a prime.
It is a super-2 number, since 2×1311030440312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131103043989 and 131103044007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131103044071) 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, 13939465 + ... + 13948866.
It is an arithmetic number, because the mean of its divisors is an integer number (21864452288).
Almost surely, 2131103044031 is an apocalyptic number.
131103044031 is a deficient number, since it is larger than the sum of its proper divisors (43812574273).
131103044031 is a wasteful number, since it uses less digits than its factorization.
131103044031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27889901.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 131103044031 its reverse (130440301131), we get a palindrome (261543345162).
The spelling of 131103044031 in words is "one hundred thirty-one billion, one hundred three million, forty-four thousand, thirty-one".
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