Base | Representation |
---|---|
bin | 11101001011100011… |
… | …010001111111101111 |
3 | 2222212121021022111211 |
4 | 131023203101333233 |
5 | 1003132032423043 |
6 | 22221024055251 |
7 | 2156305151356 |
oct | 351343217757 |
9 | 88777238454 |
10 | 31332311023 |
11 | 12319300022 |
12 | 60a5164527 |
13 | 2c54403c10 |
14 | 173337a99d |
15 | c35a9ca9d |
hex | 74b8d1fef |
31332311023 has 16 divisors (see below), whose sum is σ = 36313050816. Its totient is φ = 26774576640.
The previous prime is 31332310973. The next prime is 31332311027. The reversal of 31332311023 is 32011323313.
It is a cyclic number.
It is not a de Polignac number, because 31332311023 - 213 = 31332302831 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31332310985 and 31332311003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31332311027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148611 + ... + 1175572.
It is an arithmetic number, because the mean of its divisors is an integer number (2269565676).
Almost surely, 231332311023 is an apocalyptic number.
31332311023 is a deficient number, since it is larger than the sum of its proper divisors (4980739793).
31332311023 is a wasteful number, since it uses less digits than its factorization.
31332311023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2324274.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 31332311023 its reverse (32011323313), we get a palindrome (63343634336).
The spelling of 31332311023 in words is "thirty-one billion, three hundred thirty-two million, three hundred eleven thousand, twenty-three".
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