Base | Representation |
---|---|
bin | 11101001011101111… |
… | …001111001010010101 |
3 | 2222212211011112201021 |
4 | 131023233033022111 |
5 | 1003133333221031 |
6 | 22221215201141 |
7 | 2156343613630 |
oct | 351357171225 |
9 | 88784145637 |
10 | 31335445141 |
11 | 12320050800 |
12 | 60a62161b1 |
13 | 2c54c60620 |
14 | 1733954c17 |
15 | c35ebb511 |
hex | 74bbcf295 |
31335445141 has 48 divisors (see below), whose sum is σ = 43759442944. Its totient is φ = 21811680000.
The previous prime is 31335445133. The next prime is 31335445147. The reversal of 31335445141 is 14154453313.
It is not a de Polignac number, because 31335445141 - 23 = 31335445133 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31335445097 and 31335445106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31335445147) 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, 295441 + ... + 387241.
Almost surely, 231335445141 is an apocalyptic number.
31335445141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
31335445141 is a deficient number, since it is larger than the sum of its proper divisors (12423997803).
31335445141 is a wasteful number, since it uses less digits than its factorization.
31335445141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91874 (or 91863 counting only the distinct ones).
The product of its digits is 43200, while the sum is 34.
Adding to 31335445141 its reverse (14154453313), we get a palindrome (45489898454).
The spelling of 31335445141 in words is "thirty-one billion, three hundred thirty-five million, four hundred forty-five thousand, one hundred forty-one".
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