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2030330231 = 9371216661
BaseRepresentation
bin111100100000100…
…0110000101110111
312020111102110110222
41321001012011313
513124231031411
6533245004555
7101212344056
oct17101060567
95214373428
102030330231
11952083176
12487b5375b
13264836747
1415391239d
15bd3a44db
hex79046177

2030330231 has 4 divisors (see below), whose sum is σ = 2030556264. Its totient is φ = 2030104200.

The previous prime is 2030330189. The next prime is 2030330251. The reversal of 2030330231 is 1320330302.

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 2030330231 - 26 = 2030330167 is a prime.

It is a super-2 number, since 2×20303302312 = 8244481693825026722, which 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 (2030330251) 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, 98960 + ... + 117701.

It is an arithmetic number, because the mean of its divisors is an integer number (507639066).

Almost surely, 22030330231 is an apocalyptic number.

2030330231 is a deficient number, since it is larger than the sum of its proper divisors (226033).

2030330231 is an equidigital number, since it uses as much as digits as its factorization.

2030330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226032.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 2030330231 is about 45059.1858670349. The cubic root of 2030330231 is about 1266.2580725597.

Adding to 2030330231 its reverse (1320330302), we get a palindrome (3350660533).

The spelling of 2030330231 in words is "two billion, thirty million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 9371 216661 2030330231