Base | Representation |
---|---|
bin | 11110000000110100001… |
… | …10101001011011101111 |
3 | 10122120210012100221112000 |
4 | 33000122012221123233 |
5 | 113343424401214411 |
6 | 2105423543543343 |
7 | 134334562142601 |
oct | 17003206513357 |
9 | 3576705327460 |
10 | 1031230101231 |
11 | 368384565210 |
12 | 147a38a5ab53 |
13 | 76324464195 |
14 | 37ca9db9171 |
15 | 1bc58374956 |
hex | f01a1a96ef |
1031230101231 has 32 divisors (see below), whose sum is σ = 1666965216000. Its totient is φ = 624863924640.
The previous prime is 1031230101203. The next prime is 1031230101277. The reversal of 1031230101231 is 1321010321301.
1031230101231 is a `hidden beast` number, since 10 + 312 + 301 + 0 + 12 + 31 = 666.
It is not a de Polignac number, because 1031230101231 - 231 = 1029082617583 is a prime.
It is a super-2 number, since 2×10312301012312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031230111231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165920 + ... + 1849818.
It is an arithmetic number, because the mean of its divisors is an integer number (52092663000).
Almost surely, 21031230101231 is an apocalyptic number.
1031230101231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1031230101231 is a deficient number, since it is larger than the sum of its proper divisors (635735114769).
1031230101231 is a wasteful number, since it uses less digits than its factorization.
1031230101231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 688996 (or 688990 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 1031230101231 its reverse (1321010321301), we get a palindrome (2352240422532).
The spelling of 1031230101231 in words is "one trillion, thirty-one billion, two hundred thirty million, one hundred one thousand, two hundred thirty-one".
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