Base | Representation |
---|---|
bin | 11101000101000110… |
… | …001110001110010111 |
3 | 2222121001112002000101 |
4 | 131011012032032113 |
5 | 1002421322430403 |
6 | 22202155154531 |
7 | 2153521606510 |
oct | 350506161627 |
9 | 88531462011 |
10 | 31224030103 |
11 | 12273172a62 |
12 | 6074a45a47 |
13 | 2c37b51176 |
14 | 1722c31a07 |
15 | c2b30e71d |
hex | 74518e397 |
31224030103 has 8 divisors (see below), whose sum is σ = 35686199808. Its totient is φ = 26762258904.
The previous prime is 31224030083. The next prime is 31224030109. The reversal of 31224030103 is 30103042213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31224030103 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31224030109) 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, 93150 + ... + 266692.
It is an arithmetic number, because the mean of its divisors is an integer number (4460774976).
Almost surely, 231224030103 is an apocalyptic number.
31224030103 is a deficient number, since it is larger than the sum of its proper divisors (4462169705).
31224030103 is a wasteful number, since it uses less digits than its factorization.
31224030103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199253.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 31224030103 its reverse (30103042213), we get a palindrome (61327072316).
The spelling of 31224030103 in words is "thirty-one billion, two hundred twenty-four million, thirty thousand, one hundred three".
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