Base | Representation |
---|---|
bin | 11101001011011011… |
… | …010100000000010111 |
3 | 2222212110100012001102 |
4 | 131023123110000113 |
5 | 1003131014101403 |
6 | 22220511220315 |
7 | 2156251331255 |
oct | 351333240027 |
9 | 88773305042 |
10 | 31330222103 |
11 | 12318103644 |
12 | 60a451769b |
13 | 2c53b5217b |
14 | 1732d955d5 |
15 | c357d8b88 |
hex | 74b6d4017 |
31330222103 has 8 divisors (see below), whose sum is σ = 31663256400. Its totient is φ = 30998824960.
The previous prime is 31330222093. The next prime is 31330222141. The reversal of 31330222103 is 30122203313.
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 31330222103 - 224 = 31313444887 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31330222603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370793 + ... + 447378.
It is an arithmetic number, because the mean of its divisors is an integer number (3957907050).
Almost surely, 231330222103 is an apocalyptic number.
31330222103 is a deficient number, since it is larger than the sum of its proper divisors (333034297).
31330222103 is a wasteful number, since it uses less digits than its factorization.
31330222103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 818577.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 31330222103 its reverse (30122203313), we get a palindrome (61452425416).
The spelling of 31330222103 in words is "thirty-one billion, three hundred thirty million, two hundred twenty-two thousand, one hundred three".
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