Base | Representation |
---|---|
bin | 11101001010011010… |
… | …000000111000011101 |
3 | 2222211021010111222220 |
4 | 131022122000320131 |
5 | 1003112123320123 |
6 | 22215100255553 |
7 | 2155652665413 |
oct | 351232007035 |
9 | 88737114886 |
10 | 31313104413 |
11 | 12309481898 |
12 | 609a8415b9 |
13 | 2c5043a966 |
14 | 17309bb2b3 |
15 | c34056ce3 |
hex | 74a680e1d |
31313104413 has 8 divisors (see below), whose sum is σ = 43948216800. Its totient is φ = 19776697488.
The previous prime is 31313104411. The next prime is 31313104421. The reversal of 31313104413 is 31440131313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31313104413 - 21 = 31313104411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31313104411) 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, 274676298 + ... + 274676411.
It is an arithmetic number, because the mean of its divisors is an integer number (5493527100).
Almost surely, 231313104413 is an apocalyptic number.
It is an amenable number.
31313104413 is a deficient number, since it is larger than the sum of its proper divisors (12635112387).
31313104413 is a wasteful number, since it uses less digits than its factorization.
31313104413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 549352731.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 31313104413 its reverse (31440131313), we get a palindrome (62753235726).
The spelling of 31313104413 in words is "thirty-one billion, three hundred thirteen million, one hundred four thousand, four hundred thirteen".
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