Base | Representation |
---|---|
bin | 11100111000011010… |
… | …011000010001001001 |
3 | 2222001020001201010221 |
4 | 130320122120101021 |
5 | 1002002332212223 |
6 | 22125113510041 |
7 | 2145325636606 |
oct | 347032302111 |
9 | 88036051127 |
10 | 31011210313 |
11 | 12174024336 |
12 | 6015712321 |
13 | 2c02a289b5 |
14 | 17028736ad |
15 | c177c1b5d |
hex | 738698449 |
31011210313 has 8 divisors (see below), whose sum is σ = 32074479360. Its totient is φ = 29951873040.
The previous prime is 31011210301. The next prime is 31011210319. The reversal of 31011210313 is 31301211013.
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 31011210313 - 217 = 31011079241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31011210319) 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, 966895 + ... + 998452.
It is an arithmetic number, because the mean of its divisors is an integer number (4009309920).
Almost surely, 231011210313 is an apocalyptic number.
It is an amenable number.
31011210313 is a deficient number, since it is larger than the sum of its proper divisors (1063269047).
31011210313 is a wasteful number, since it uses less digits than its factorization.
31011210313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1965887.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 31011210313 its reverse (31301211013), we get a palindrome (62312421326).
The spelling of 31011210313 in words is "thirty-one billion, eleven million, two hundred ten thousand, three hundred thirteen".
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