Base | Representation |
---|---|
bin | 101101100011111110010… |
… | …100100101010011010111 |
3 | 102002022122222112012102221 |
4 | 231203332110211103113 |
5 | 402244243232000043 |
6 | 10354210220243211 |
7 | 442131113245543 |
oct | 55437624452327 |
9 | 12068588465387 |
10 | 3131003000023 |
11 | aa793a628648 |
12 | 4269866a0507 |
13 | 199338452272 |
14 | ab781690a23 |
15 | 566a067c8ed |
hex | 2d8fe5254d7 |
3131003000023 has 4 divisors (see below), whose sum is σ = 3133283411448. Its totient is φ = 3128722588600.
The previous prime is 3131002999979. The next prime is 3131003000053. The reversal of 3131003000023 is 3200003001313.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3131003000023 - 217 = 3131002868951 is a prime.
It is a super-2 number, since 2×31310030000232 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3131002999970 and 3131003000006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131003000053) 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, 1140203653 + ... + 1140206398.
It is an arithmetic number, because the mean of its divisors is an integer number (783320852862).
Almost surely, 23131003000023 is an apocalyptic number.
3131003000023 is a deficient number, since it is larger than the sum of its proper divisors (2280411425).
3131003000023 is a wasteful number, since it uses less digits than its factorization.
3131003000023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2280411424.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 3131003000023 its reverse (3200003001313), we get a palindrome (6331006001336).
The spelling of 3131003000023 in words is "three trillion, one hundred thirty-one billion, three million, twenty-three", and thus it is an aban number.
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