Base | Representation |
---|---|
bin | 11110000000011011100… |
… | …01000111111001000111 |
3 | 10122120020202220211102111 |
4 | 33000031301013321013 |
5 | 113343013410212411 |
6 | 2105351231521451 |
7 | 134326500011461 |
oct | 17001561077107 |
9 | 3576222824374 |
10 | 1031023132231 |
11 | 368288752354 |
12 | 14799b689287 |
13 | 762c0609b11 |
14 | 37c8a701131 |
15 | 1bc450e0721 |
hex | f00dc47e47 |
1031023132231 has 4 divisors (see below), whose sum is σ = 1091671551792. Its totient is φ = 970374712672.
The previous prime is 1031023132187. The next prime is 1031023132247. The reversal of 1031023132231 is 1322313201301.
1031023132231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 1031023132231 - 211 = 1031023130183 is a prime.
It is a super-2 number, since 2×10310231322312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031023135231) 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, 30324209755 + ... + 30324209788.
It is an arithmetic number, because the mean of its divisors is an integer number (272917887948).
Almost surely, 21031023132231 is an apocalyptic number.
1031023132231 is a deficient number, since it is larger than the sum of its proper divisors (60648419561).
1031023132231 is an equidigital number, since it uses as much as digits as its factorization.
1031023132231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60648419560.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 1031023132231 its reverse (1322313201301), we get a palindrome (2353336333532).
The spelling of 1031023132231 in words is "one trillion, thirty-one billion, twenty-three million, one hundred thirty-two thousand, two hundred thirty-one".
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