Base | Representation |
---|---|
bin | 1110000110110011010000… |
… | …00101010010111001011101 |
3 | 11001211111001010200222210011 |
4 | 13003121220011102321131 |
5 | 13031212430001432201 |
6 | 145550220303443221 |
7 | 6351056342526412 |
oct | 703315005227135 |
9 | 131744033628704 |
10 | 31020000030301 |
11 | 997a565366807 |
12 | 358ba732b6511 |
13 | 14402340c3439 |
14 | 793539ac6109 |
15 | 38bd7c2b5151 |
hex | 1c3668152e5d |
31020000030301 has 4 divisors (see below), whose sum is σ = 31045363890912. Its totient is φ = 30994636169692.
The previous prime is 31020000030223. The next prime is 31020000030337. The reversal of 31020000030301 is 10303000002013.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31020000030301 - 223 = 31019991641693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31020000930301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12681928471 + ... + 12681930916.
It is an arithmetic number, because the mean of its divisors is an integer number (7761340972728).
Almost surely, 231020000030301 is an apocalyptic number.
It is an amenable number.
31020000030301 is a deficient number, since it is larger than the sum of its proper divisors (25363860611).
31020000030301 is a wasteful number, since it uses less digits than its factorization.
31020000030301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25363860610.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 31020000030301 its reverse (10303000002013), we get a palindrome (41323000032314).
The spelling of 31020000030301 in words is "thirty-one trillion, twenty billion, thirty thousand, three hundred one".
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