Base | Representation |
---|---|
bin | 1110001111110101001110… |
… | …11010001011000010000111 |
3 | 11002221010222111001102202211 |
4 | 13013322213122023002013 |
5 | 13101303423312104111 |
6 | 150344535143244251 |
7 | 6412353020646553 |
oct | 707724732130207 |
9 | 132833874042684 |
10 | 31330300113031 |
11 | 9a8a1186a8677 |
12 | 3620032149687 |
13 | 1463585b38b4a |
14 | 7a4574b82863 |
15 | 394e8dd5a521 |
hex | 1c7ea768b087 |
31330300113031 has 4 divisors (see below), whose sum is σ = 31330311697000. Its totient is φ = 31330288529064.
The previous prime is 31330300113029. The next prime is 31330300113083. The reversal of 31330300113031 is 13031100303313.
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 31330300113031 - 21 = 31330300113029 is a prime.
It is a super-2 number, since 2×313303001130312 (a number of 28 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 = 31330300112993 and 31330300113011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31330300111031) 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, 662665 + ... + 7943533.
It is an arithmetic number, because the mean of its divisors is an integer number (7832577924250).
Almost surely, 231330300113031 is an apocalyptic number.
31330300113031 is a deficient number, since it is larger than the sum of its proper divisors (11583969).
31330300113031 is an equidigital number, since it uses as much as digits as its factorization.
31330300113031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11583968.
The product of its (nonzero) digits is 729, while the sum is 22.
Adding to 31330300113031 its reverse (13031100303313), we get a palindrome (44361400416344).
The spelling of 31330300113031 in words is "thirty-one trillion, three hundred thirty billion, three hundred million, one hundred thirteen thousand, thirty-one".
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