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2311013203 = 31331225223
BaseRepresentation
bin1000100110111111…
…0100001101010011
312222001120122010121
42021233310031103
514213104410303
61021153011111
7111161200552
oct21157641523
95861518117
102311013203
11a86563474
12545b53a97
132aaa2cc45
1417ccd7d99
15d7d499bd
hex89bf4353

2311013203 has 8 divisors (see below), whose sum is σ = 2392779776. Its totient is φ = 2229697800.

The previous prime is 2311013197. The next prime is 2311013233. The reversal of 2311013203 is 3023101132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2311013203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311013233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102351 + ... + 122872.

It is an arithmetic number, because the mean of its divisors is an integer number (299097472).

Almost surely, 22311013203 is an apocalyptic number.

2311013203 is a deficient number, since it is larger than the sum of its proper divisors (81766573).

2311013203 is a wasteful number, since it uses less digits than its factorization.

2311013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225585.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2311013203 is about 48072.9986894930. The cubic root of 2311013203 is about 1322.1096512706.

Adding to 2311013203 its reverse (3023101132), we get a palindrome (5334114335).

The spelling of 2311013203 in words is "two billion, three hundred eleven million, thirteen thousand, two hundred three".

Divisors: 1 31 331 10261 225223 6981913 74548813 2311013203