Base | Representation |
---|---|
bin | 1000010011111101… |
… | …1110011000011111 |
3 | 12202111110022221101 |
4 | 2010333132120133 |
5 | 14032143411111 |
6 | 1005223013531 |
7 | 106202105440 |
oct | 20477363037 |
9 | 5674408841 |
10 | 2231232031 |
11 | a45521716 |
12 | 52329a2a7 |
13 | 297348352 |
14 | 17248b2c7 |
15 | d0d3abc1 |
hex | 84fde61f |
2231232031 has 32 divisors (see below), whose sum is σ = 2783531520. Its totient is φ = 1744920576.
The previous prime is 2231232023. The next prime is 2231232083. The reversal of 2231232031 is 1302321322.
It is not a de Polignac number, because 2231232031 - 23 = 2231232023 is a prime.
It is a super-3 number, since 3×22312320313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231232331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 709695 + ... + 712831.
It is an arithmetic number, because the mean of its divisors is an integer number (86985360).
Almost surely, 22231232031 is an apocalyptic number.
2231232031 is a deficient number, since it is larger than the sum of its proper divisors (552299489).
2231232031 is a wasteful number, since it uses less digits than its factorization.
2231232031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3343.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 2231232031 is about 47235.9188647792. The cubic root of 2231232031 is about 1306.7171127167.
Adding to 2231232031 its reverse (1302321322), we get a palindrome (3533553353).
The spelling of 2231232031 in words is "two billion, two hundred thirty-one million, two hundred thirty-two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •