Base | Representation |
---|---|
bin | 111101011001010… |
… | …000011010100011 |
3 | 2122210011222220201 |
4 | 331121100122203 |
5 | 4102141443021 |
6 | 250113050031 |
7 | 34345055602 |
oct | 7531203243 |
9 | 2583158821 |
10 | 1030031011 |
11 | 4894755a9 |
12 | 248b56917 |
13 | 135523309 |
14 | 9ab27a39 |
15 | 60664591 |
hex | 3d6506a3 |
1030031011 has 4 divisors (see below), whose sum is σ = 1074814992. Its totient is φ = 985247032.
The previous prime is 1030030957. The next prime is 1030031029. The reversal of 1030031011 is 1101300301.
1030031011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101300301 = 37 ⋅29764873.
It is a cyclic number.
It is not a de Polignac number, because 1030031011 - 29 = 1030030499 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1030031081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22391956 + ... + 22392001.
It is an arithmetic number, because the mean of its divisors is an integer number (268703748).
Almost surely, 21030031011 is an apocalyptic number.
1030031011 is a deficient number, since it is larger than the sum of its proper divisors (44783981).
1030031011 is an equidigital number, since it uses as much as digits as its factorization.
1030031011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44783980.
The product of its (nonzero) digits is 9, while the sum is 10.
The square root of 1030031011 is about 32094.0962016381. The cubic root of 1030031011 is about 1009.9117692426.
Adding to 1030031011 its reverse (1101300301), we get a palindrome (2131331312).
The spelling of 1030031011 in words is "one billion, thirty million, thirty-one thousand, eleven".
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