Base | Representation |
---|---|
bin | 100001001010111… |
… | …1000000101110111 |
3 | 2212120100211112112 |
4 | 1002111320011313 |
5 | 4234413443111 |
6 | 302240041235 |
7 | 36403415300 |
oct | 10225700567 |
9 | 2776324475 |
10 | 1113031031 |
11 | 521305762 |
12 | 27090321b |
13 | 149794058 |
14 | a7b717a7 |
15 | 67aabe8b |
hex | 42578177 |
1113031031 has 6 divisors (see below), whose sum is σ = 1294750440. Its totient is φ = 954026556.
The previous prime is 1113030979. The next prime is 1113031033. The reversal of 1113031031 is 1301303111.
It is a happy number.
It is not a de Polignac number, because 1113031031 - 26 = 1113030967 is a prime.
It is a super-2 number, since 2×11130310312 = 2477676151937845922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1113030997 and 1113031015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1113031033) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11357411 + ... + 11357508.
It is an arithmetic number, because the mean of its divisors is an integer number (215791740).
Almost surely, 21113031031 is an apocalyptic number.
1113031031 is a deficient number, since it is larger than the sum of its proper divisors (181719409).
1113031031 is an equidigital number, since it uses as much as digits as its factorization.
1113031031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22714933 (or 22714926 counting only the distinct ones).
The product of its (nonzero) digits is 27, while the sum is 14.
The square root of 1113031031 is about 33362.1197018415. The cubic root of 1113031031 is about 1036.3403891231.
Adding to 1113031031 its reverse (1301303111), we get a palindrome (2414334142).
The spelling of 1113031031 in words is "one billion, one hundred thirteen million, thirty-one thousand, thirty-one".
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