Base | Representation |
---|---|
bin | 10011000100001000000… |
… | …110110001110101111111 |
3 | 11122020121012012102210011 |
4 | 103010020012301311333 |
5 | 132431041330120111 |
6 | 2441504015324051 |
7 | 163436344634356 |
oct | 23041006616577 |
9 | 4566535172704 |
10 | 1310101020031 |
11 | 465679965031 |
12 | 191aa6220627 |
13 | 967079c477b |
14 | 475a2cc699d |
15 | 2412aada021 |
hex | 131081b1d7f |
1310101020031 has 4 divisors (see below), whose sum is σ = 1310141278000. Its totient is φ = 1310060762064.
The previous prime is 1310101019993. The next prime is 1310101020043. The reversal of 1310101020031 is 1300201010131.
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 1310101020031 - 221 = 1310098922879 is a prime.
It is a super-3 number, since 3×13101010200313 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1310101019993 and 1310101020020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310101020061) 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, 20080131 + ... + 20145268.
It is an arithmetic number, because the mean of its divisors is an integer number (327535319500).
Almost surely, 21310101020031 is an apocalyptic number.
1310101020031 is a deficient number, since it is larger than the sum of its proper divisors (40257969).
1310101020031 is an equidigital number, since it uses as much as digits as its factorization.
1310101020031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40257968.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 1310101020031 its reverse (1300201010131), we get a palindrome (2610302030162).
The spelling of 1310101020031 in words is "one trillion, three hundred ten billion, one hundred one million, twenty thousand, thirty-one".
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