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2230030331 = 2817936051
BaseRepresentation
bin1000010011101011…
…1000111111111011
312202102012021111222
42010322320333323
514031341432311
61005141142255
7106155642104
oct20472707773
95672167458
102230030331
11a44880881
125229ba98b
13297017399
141722573ab
15d0b9eadb
hex84eb8ffb

2230030331 has 4 divisors (see below), whose sum is σ = 2237966664. Its totient is φ = 2222094000.

The previous prime is 2230030321. The next prime is 2230030337. The reversal of 2230030331 is 1330300322.

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 2230030331 - 218 = 2229768187 is a prime.

It is a super-2 number, since 2×22300303312 = 9946070554359939122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230030337) 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, 3967745 + ... + 3968306.

It is an arithmetic number, because the mean of its divisors is an integer number (559491666).

Almost surely, 22230030331 is an apocalyptic number.

2230030331 is a deficient number, since it is larger than the sum of its proper divisors (7936333).

2230030331 is an equidigital number, since it uses as much as digits as its factorization.

2230030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936332.

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

The square root of 2230030331 is about 47223.1969586982. The cubic root of 2230030331 is about 1306.4824794252.

Adding to 2230030331 its reverse (1330300322), we get a palindrome (3560330653).

The spelling of 2230030331 in words is "two billion, two hundred thirty million, thirty thousand, three hundred thirty-one".

Divisors: 1 281 7936051 2230030331