Base | Representation |
---|---|
bin | 11101001010010110… |
… | …111101000011100110 |
3 | 2222211012121202201101 |
4 | 131022112331003212 |
5 | 1003111422133220 |
6 | 22215031150314 |
7 | 2155643115052 |
oct | 351226750346 |
9 | 88735552641 |
10 | 31312302310 |
11 | 12308a841a3 |
12 | 609a51539a |
13 | 2c50219843 |
14 | 173084cc62 |
15 | c33e4930a |
hex | 74a5bd0e6 |
31312302310 has 8 divisors (see below), whose sum is σ = 56362144176. Its totient is φ = 12524920920.
The previous prime is 31312302289. The next prime is 31312302337. The reversal of 31312302310 is 1320321313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×313123023102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565615106 + ... + 1565615125.
It is an arithmetic number, because the mean of its divisors is an integer number (7045268022).
Almost surely, 231312302310 is an apocalyptic number.
31312302310 is a deficient number, since it is larger than the sum of its proper divisors (25049841866).
31312302310 is a wasteful number, since it uses less digits than its factorization.
31312302310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3131230238.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 31312302310 its reverse (1320321313), we get a palindrome (32632623623).
The spelling of 31312302310 in words is "thirty-one billion, three hundred twelve million, three hundred two thousand, three hundred ten".
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