Base | Representation |
---|---|
bin | 100111111101110… |
… | …1010010110011111 |
3 | 10110110101220002022 |
4 | 1033323222112133 |
5 | 10221301240111 |
6 | 341023050355 |
7 | 45142436462 |
oct | 11773522637 |
9 | 3413356068 |
10 | 1341040031 |
11 | 628a89251 |
12 | 3151409bb |
13 | 184aa7016 |
14 | ca1652d9 |
15 | 7caea2db |
hex | 4feea59f |
1341040031 has 4 divisors (see below), whose sum is σ = 1341139464. Its totient is φ = 1340940600.
The previous prime is 1341040021. The next prime is 1341040037. The reversal of 1341040031 is 1300401431.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1300401431 = 7 ⋅185771633.
It is a cyclic number.
It is not a de Polignac number, because 1341040031 - 26 = 1341039967 is a prime.
It is a super-2 number, since 2×13410400312 = 3596776729488961922, 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 = 1341039991 and 1341040009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1341040037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25580 + ... + 57761.
It is an arithmetic number, because the mean of its divisors is an integer number (335284866).
Almost surely, 21341040031 is an apocalyptic number.
1341040031 is a deficient number, since it is larger than the sum of its proper divisors (99433).
1341040031 is an equidigital number, since it uses as much as digits as its factorization.
1341040031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99432.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1341040031 is about 36620.2134210056. The cubic root of 1341040031 is about 1102.7589232864.
Adding to 1341040031 its reverse (1300401431), we get a palindrome (2641441462).
The spelling of 1341040031 in words is "one billion, three hundred forty-one million, forty thousand, thirty-one".
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