Base | Representation |
---|---|
bin | 1110000110100110010001… |
… | …10100101011110001011111 |
3 | 11001210211001121020211202112 |
4 | 13003103020310223301133 |
5 | 13031104142440143403 |
6 | 145543105110544235 |
7 | 6350421605052062 |
oct | 703231064536137 |
9 | 131724047224675 |
10 | 31013033131103 |
11 | 997760a770281 |
12 | 358a64a06807b |
13 | 143c69390998a |
14 | 7930787048d9 |
15 | 38bac08389d8 |
hex | 1c34c8d2bc5f |
31013033131103 has 8 divisors (see below), whose sum is σ = 33132541288320. Its totient is φ = 28942249299480.
The previous prime is 31013033131081. The next prime is 31013033131117. The reversal of 31013033131103 is 30113133031013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31013033131103 - 28 = 31013033130847 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 (31013033131183) 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, 12181080083 + ... + 12181082628.
It is an arithmetic number, because the mean of its divisors is an integer number (4141567661040).
Almost surely, 231013033131103 is an apocalyptic number.
31013033131103 is a deficient number, since it is larger than the sum of its proper divisors (2119508157217).
31013033131103 is a wasteful number, since it uses less digits than its factorization.
31013033131103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24362162797.
The product of its (nonzero) digits is 729, while the sum is 23.
Adding to 31013033131103 its reverse (30113133031013), we get a palindrome (61126166162116).
The spelling of 31013033131103 in words is "thirty-one trillion, thirteen billion, thirty-three million, one hundred thirty-one thousand, one hundred three".
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