Base | Representation |
---|---|
bin | 1110001100111010110101… |
… | …11101101010011001011111 |
3 | 11002120120200122201210222002 |
4 | 13012131122331222121133 |
5 | 13043134004212314403 |
6 | 150230545432512515 |
7 | 6402211203164333 |
oct | 706353275523137 |
9 | 132516618653862 |
10 | 31230233323103 |
11 | 9a507385a4291 |
12 | 3604765b4b73b |
13 | 1456cc9542a49 |
14 | 79d7a0cd77c3 |
15 | 392583d2b188 |
hex | 1c675af6a65f |
31230233323103 has 4 divisors (see below), whose sum is σ = 31230245403000. Its totient is φ = 31230221243208.
The previous prime is 31230233323099. The next prime is 31230233323171. The reversal of 31230233323103 is 30132333203213.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 31230233323103 - 22 = 31230233323099 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 (31230233323193) 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, 417200 + ... + 7914197.
It is an arithmetic number, because the mean of its divisors is an integer number (7807561350750).
Almost surely, 231230233323103 is an apocalyptic number.
31230233323103 is a deficient number, since it is larger than the sum of its proper divisors (12079897).
31230233323103 is an equidigital number, since it uses as much as digits as its factorization.
31230233323103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12079896.
The product of its (nonzero) digits is 17496, while the sum is 29.
Adding to 31230233323103 its reverse (30132333203213), we get a palindrome (61362566526316).
The spelling of 31230233323103 in words is "thirty-one trillion, two hundred thirty billion, two hundred thirty-three million, three hundred twenty-three thousand, one hundred three".
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