Base | Representation |
---|---|
bin | 11101001100101010011… |
… | …11101101100101011111 |
3 | 10112220111220200200022010 |
4 | 32212111033231211133 |
5 | 112414104203212111 |
6 | 2044513400322303 |
7 | 132324002245335 |
oct | 16462517554537 |
9 | 3486456620263 |
10 | 1003231304031 |
11 | 357516a0a4a0 |
12 | 142524173393 |
13 | 737b1877a68 |
14 | 367b165db55 |
15 | 1b16a299aa6 |
hex | e9953ed95f |
1003231304031 has 16 divisors (see below), whose sum is σ = 1459282117248. Its totient is φ = 608003728800.
The previous prime is 1003231304003. The next prime is 1003231304093. The reversal of 1003231304031 is 1304031323001.
It is not a de Polignac number, because 1003231304031 - 26 = 1003231303967 is a prime.
It is a super-2 number, since 2×10032313040312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1003231303989 and 1003231304007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1003231374031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033521 + ... + 1753461.
It is an arithmetic number, because the mean of its divisors is an integer number (91205132328).
Almost surely, 21003231304031 is an apocalyptic number.
1003231304031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1003231304031 is a deficient number, since it is larger than the sum of its proper divisors (456050813217).
1003231304031 is a wasteful number, since it uses less digits than its factorization.
1003231304031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 762182.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1003231304031 its reverse (1304031323001), we get a palindrome (2307262627032).
The spelling of 1003231304031 in words is "one trillion, three billion, two hundred thirty-one million, three hundred four thousand, thirty-one".
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