Base | Representation |
---|---|
bin | 11101001100001001… |
… | …110110100110011110 |
3 | 2222220022022000202101 |
4 | 131030021312212132 |
5 | 1003142130004210 |
6 | 22222024515314 |
7 | 2156460123604 |
oct | 351411664636 |
9 | 88808260671 |
10 | 31342422430 |
11 | 12323a86960 |
12 | 60a861bb3a |
13 | 2c565343b7 |
14 | 173484d874 |
15 | c368e8a3a |
hex | 74c27699e |
31342422430 has 16 divisors (see below), whose sum is σ = 61545120624. Its totient is φ = 11397244480.
The previous prime is 31342422421. The next prime is 31342422443. The reversal of 31342422430 is 3422424313.
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 7 ways as a sum of consecutive naturals, for example, 142465447 + ... + 142465666.
It is an arithmetic number, because the mean of its divisors is an integer number (3846570039).
Almost surely, 231342422430 is an apocalyptic number.
31342422430 is a deficient number, since it is larger than the sum of its proper divisors (30202698194).
31342422430 is a wasteful number, since it uses less digits than its factorization.
31342422430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284931131.
The product of its (nonzero) digits is 13824, while the sum is 28.
Adding to 31342422430 its reverse (3422424313), we get a palindrome (34764846743).
The spelling of 31342422430 in words is "thirty-one billion, three hundred forty-two million, four hundred twenty-two thousand, four hundred thirty".
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