Base | Representation |
---|---|
bin | 111100101011100100… |
… | …1011100100101000111 |
3 | 110110100121100102110200 |
4 | 1321113021130211013 |
5 | 4113334121104111 |
6 | 135510351221543 |
7 | 12262142120301 |
oct | 1712711344507 |
9 | 413317312420 |
10 | 130311113031 |
11 | 502a0253a40 |
12 | 21308b178b3 |
13 | c399493998 |
14 | 6442932971 |
15 | 35ca31a256 |
hex | 1e5725c947 |
130311113031 has 48 divisors (see below), whose sum is σ = 210545008128. Its totient is φ = 76987440000.
The previous prime is 130311113029. The next prime is 130311113057.
130311113031 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 130311113031 - 21 = 130311113029 is a prime.
It is a super-2 number, since 2×1303111130312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130311112995 and 130311113013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130311113131) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1112115 + ... + 1223691.
It is an arithmetic number, because the mean of its divisors is an integer number (4386354336).
Almost surely, 2130311113031 is an apocalyptic number.
130311113031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
130311113031 is a deficient number, since it is larger than the sum of its proper divisors (80233895097).
130311113031 is a wasteful number, since it uses less digits than its factorization.
130311113031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111892 (or 111889 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 18.
It can be divided in two parts, 130311 and 113031, that added together give a palindrome (243342).
The spelling of 130311113031 in words is "one hundred thirty billion, three hundred eleven million, one hundred thirteen thousand, thirty-one".
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