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2231340311 = 22719794967
BaseRepresentation
bin1000010011111111…
…1000110100010111
312202111122211110202
42010333320310113
514032210342221
61005225211115
7106203036224
oct20477706427
95674584422
102231340311
11a45596002
12523330a9b
13297385715
141724b894b
15d0d5cd0b
hex84ff8d17

2231340311 has 8 divisors (see below), whose sum is σ = 2242753920. Its totient is φ = 2219941048.

The previous prime is 2231340299. The next prime is 2231340313. The reversal of 2231340311 is 1130431322.

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

It is a cyclic number.

It is not a de Polignac number, because 2231340311 - 26 = 2231340247 is a prime.

It is a super-3 number, since 3×22313403113 (a number of 29 digits) contains 333 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 (2231340313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446750 + ... + 451716.

It is an arithmetic number, because the mean of its divisors is an integer number (280344240).

Almost surely, 22231340311 is an apocalyptic number.

2231340311 is a deficient number, since it is larger than the sum of its proper divisors (11413609).

2231340311 is a wasteful number, since it uses less digits than its factorization.

2231340311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2231340311 is about 47237.0650125513. The cubic root of 2231340311 is about 1306.7382503720.

Adding to 2231340311 its reverse (1130431322), we get a palindrome (3361771633).

The spelling of 2231340311 in words is "two billion, two hundred thirty-one million, three hundred forty thousand, three hundred eleven".

Divisors: 1 227 1979 4967 449233 1127509 9829693 2231340311