Base | Representation |
---|---|
bin | 100111000010101… |
… | …0111100111111011 |
3 | 10101022001102202220 |
4 | 1032011113213323 |
5 | 10140331432311 |
6 | 333554255123 |
7 | 44315034261 |
oct | 11605274773 |
9 | 3338042686 |
10 | 1310030331 |
11 | 6125291a5 |
12 | 3068874a3 |
13 | 17b53a59c |
14 | c5db2431 |
15 | 7a022206 |
hex | 4e1579fb |
1310030331 has 16 divisors (see below), whose sum is σ = 1761623808. Its totient is φ = 865922400.
The previous prime is 1310030329. The next prime is 1310030339. The reversal of 1310030331 is 1330300131.
It is not a de Polignac number, because 1310030331 - 21 = 1310030329 is a prime.
It is a super-2 number, since 2×13100303312 = 3432358936279939122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1310030331.
It is not an unprimeable number, because it can be changed into a prime (1310030339) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207816 + ... + 214026.
It is an arithmetic number, because the mean of its divisors is an integer number (110101488).
Almost surely, 21310030331 is an apocalyptic number.
1310030331 is a deficient number, since it is larger than the sum of its proper divisors (451593477).
1310030331 is a wasteful number, since it uses less digits than its factorization.
1310030331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6802.
The product of its (nonzero) digits is 81, while the sum is 15.
The square root of 1310030331 is about 36194.3411460963. The cubic root of 1310030331 is about 1094.1926260058.
Adding to 1310030331 its reverse (1330300131), we get a palindrome (2640330462).
The spelling of 1310030331 in words is "one billion, three hundred ten million, thirty thousand, three hundred thirty-one".
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