Base | Representation |
---|---|
bin | 10011000100111101110… |
… | …100001010100001001111 |
3 | 11122022220222202112212212 |
4 | 103010331310022201033 |
5 | 132434413020010111 |
6 | 2442133245021035 |
7 | 163500566033045 |
oct | 23047564124117 |
9 | 4568828675785 |
10 | 1311002110031 |
11 | 465aa1571309 |
12 | 1920b7b5477b |
13 | 9681c5b0313 |
14 | 4764a848395 |
15 | 2417ec7e98b |
hex | 1313dd0a84f |
1311002110031 has 8 divisors (see below), whose sum is σ = 1316383998720. Its totient is φ = 1305624891168.
The previous prime is 1311002110013. The next prime is 1311002110051. The reversal of 1311002110031 is 1300112001131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1311002110031 - 210 = 1311002109007 is a prime.
It is a super-2 number, since 2×13110021100312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1311002109988 and 1311002110015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311002110001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604271 + ... + 1728336.
It is an arithmetic number, because the mean of its divisors is an integer number (164547999840).
Almost surely, 21311002110031 is an apocalyptic number.
1311002110031 is a deficient number, since it is larger than the sum of its proper divisors (5381888689).
1311002110031 is a wasteful number, since it uses less digits than its factorization.
1311002110031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2334913.
The product of its (nonzero) digits is 18, while the sum is 14.
Adding to 1311002110031 its reverse (1300112001131), we get a palindrome (2611114111162).
The spelling of 1311002110031 in words is "one trillion, three hundred eleven billion, two million, one hundred ten thousand, thirty-one".
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