Base | Representation |
---|---|
bin | 11100110111111100… |
… | …101111011110000110 |
3 | 2222000200102222200201 |
4 | 130313330233132012 |
5 | 1001443340103110 |
6 | 22124235201114 |
7 | 2145202620622 |
oct | 346774573606 |
9 | 88020388621 |
10 | 31003441030 |
11 | 1216a6a8141 |
12 | 6012ba619a |
13 | 2c012385a3 |
14 | 1701810182 |
15 | c16c89b3a |
hex | 737f2f786 |
31003441030 has 32 divisors (see below), whose sum is σ = 56454693120. Its totient is φ = 12257372160.
The previous prime is 31003441019. The next prime is 31003441039. The reversal of 31003441030 is 3014430013.
It is a super-2 number, since 2×310034410302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31003440989 and 31003441007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31003441039) 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, 3214315 + ... + 3223945.
It is an arithmetic number, because the mean of its divisors is an integer number (1764209160).
Almost surely, 231003441030 is an apocalyptic number.
31003441030 is a deficient number, since it is larger than the sum of its proper divisors (25451252090).
31003441030 is a wasteful number, since it uses less digits than its factorization.
31003441030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13344.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 31003441030 its reverse (3014430013), we get a palindrome (34017871043).
The spelling of 31003441030 in words is "thirty-one billion, three million, four hundred forty-one thousand, thirty".
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