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2231441131 = 171031274381
BaseRepresentation
bin1000010100000001…
…0001011011101011
312202111211221202211
42011000101123223
514032222104011
61005231305551
7106203636163
oct20500213353
95674757684
102231441131
11a45654827
1252337b2b7
132973bc58a
141725035a3
15d0d7cb21
hex850116eb

2231441131 has 8 divisors (see below), whose sum is σ = 2385643104. Its totient is φ = 2079788160.

The previous prime is 2231441129. The next prime is 2231441143. The reversal of 2231441131 is 1311441322.

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

It is not a de Polignac number, because 2231441131 - 21 = 2231441129 is a prime.

It is a super-3 number, since 3×22314411313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231441831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635440 + ... + 638941.

It is an arithmetic number, because the mean of its divisors is an integer number (298205388).

Almost surely, 22231441131 is an apocalyptic number.

2231441131 is a deficient number, since it is larger than the sum of its proper divisors (154201973).

2231441131 is a wasteful number, since it uses less digits than its factorization.

2231441131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274501.

The product of its digits is 576, while the sum is 22.

The square root of 2231441131 is about 47238.1321709485. The cubic root of 2231441131 is about 1306.7579311240.

Adding to 2231441131 its reverse (1311441322), we get a palindrome (3542882453).

The spelling of 2231441131 in words is "two billion, two hundred thirty-one million, four hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 17 103 1751 1274381 21664477 131261243 2231441131