Base | Representation |
---|---|
bin | 11100111001000111… |
… | …101111010011000010 |
3 | 2222002001102211021021 |
4 | 130321013233103002 |
5 | 1002013403213442 |
6 | 22130220420054 |
7 | 2145532002646 |
oct | 347107572302 |
9 | 88061384237 |
10 | 31023101122 |
11 | 1217a806052 |
12 | 60196a762a |
13 | 2c05330090 |
14 | 170428ac26 |
15 | c1886ee67 |
hex | 7391ef4c2 |
31023101122 has 16 divisors (see below), whose sum is σ = 50118667200. Its totient is φ = 14317089552.
The previous prime is 31023101119. The next prime is 31023101173. The reversal of 31023101122 is 22110132013.
It is a junction number, because it is equal to n+sod(n) for n = 31023101096 and 31023101105.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289123 + ... + 381625.
It is an arithmetic number, because the mean of its divisors is an integer number (3132416700).
Almost surely, 231023101122 is an apocalyptic number.
31023101122 is a deficient number, since it is larger than the sum of its proper divisors (19095566078).
31023101122 is a wasteful number, since it uses less digits than its factorization.
31023101122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105417.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 31023101122 its reverse (22110132013), we get a palindrome (53133233135).
The spelling of 31023101122 in words is "thirty-one billion, twenty-three million, one hundred one thousand, one hundred twenty-two".
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