Base | Representation |
---|---|
bin | 111101011101011… |
… | …101011110101111 |
3 | 2122212020222200221 |
4 | 331131131132233 |
5 | 4102432224403 |
6 | 250152432211 |
7 | 34360325650 |
oct | 7535353657 |
9 | 2585228627 |
10 | 1031133103 |
11 | 48a058620 |
12 | 2493a8667 |
13 | 13581ab40 |
14 | 9ad33527 |
15 | 607d0dbd |
hex | 3d75d7af |
1031133103 has 64 divisors (see below), whose sum is σ = 1427392512. Its totient is φ = 719124480.
The previous prime is 1031133091. The next prime is 1031133107. The reversal of 1031133103 is 3013311301.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1031133103 is a prime.
It is a super-2 number, since 2×10311331032 = 2126470952204817218, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031133107) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7526451 + ... + 7526587.
It is an arithmetic number, because the mean of its divisors is an integer number (22303008).
Almost surely, 21031133103 is an apocalyptic number.
1031133103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1031133103 is a deficient number, since it is larger than the sum of its proper divisors (396259409).
1031133103 is a wasteful number, since it uses less digits than its factorization.
1031133103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 344.
The product of its (nonzero) digits is 81, while the sum is 16.
The square root of 1031133103 is about 32111.2613112596. The cubic root of 1031133103 is about 1010.2718292618.
Adding to 1031133103 its reverse (3013311301), we get a palindrome (4044444404).
It can be divided in two parts, 10 and 31133103, that added together give a palindrome (31133113).
The spelling of 1031133103 in words is "one billion, thirty-one million, one hundred thirty-three thousand, one hundred three".
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