Base | Representation |
---|---|
bin | 111101011101000… |
… | …100100110111110 |
3 | 2122212001210221212 |
4 | 331131010212332 |
5 | 4102420444410 |
6 | 250150324422 |
7 | 34356422645 |
oct | 7535044676 |
9 | 2585053855 |
10 | 1031031230 |
11 | 489a99029 |
12 | 249359712 |
13 | 1357b3668 |
14 | 9ad0835c |
15 | 607b0b05 |
hex | 3d7449be |
1031031230 has 16 divisors (see below), whose sum is σ = 1874232864. Its totient is φ = 408328800.
The previous prime is 1031031227. The next prime is 1031031241. The reversal of 1031031230 is 321301301.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509402 + ... + 511421.
It is an arithmetic number, because the mean of its divisors is an integer number (117139554).
Almost surely, 21031031230 is an apocalyptic number.
1031031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1031031230 is a deficient number, since it is larger than the sum of its proper divisors (843201634).
1031031230 is a wasteful number, since it uses less digits than its factorization.
1031031230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020931.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 1031031230 is about 32109.6750217127. The cubic root of 1031031230 is about 1010.2385575107.
Adding to 1031031230 its reverse (321301301), we get a palindrome (1352332531).
The spelling of 1031031230 in words is "one billion, thirty-one million, thirty-one thousand, two hundred thirty".
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