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2231013233 = 15711420123
BaseRepresentation
bin1000010011111010…
…1000111101110001
312202111001012210202
42010332220331301
514032114410413
61005214204545
7106200204521
oct20476507561
95674035722
102231013233
11a45392299
125231b3755
1329729c897
14172431681
15d0ce5e58
hex84fa8f71

2231013233 has 4 divisors (see below), whose sum is σ = 2232434928. Its totient is φ = 2229591540.

The previous prime is 2231013229. The next prime is 2231013283. The reversal of 2231013233 is 3323101322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3323101322 = 21661550661.

It is a cyclic number.

It is not a de Polignac number, because 2231013233 - 22 = 2231013229 is a prime.

It is a super-3 number, since 3×22310132333 (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 (2231013223) 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 3 ways as a sum of consecutive naturals, for example, 708491 + ... + 711632.

It is an arithmetic number, because the mean of its divisors is an integer number (558108732).

Almost surely, 22231013233 is an apocalyptic number.

It is an amenable number.

2231013233 is a deficient number, since it is larger than the sum of its proper divisors (1421695).

2231013233 is a wasteful number, since it uses less digits than its factorization.

2231013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421694.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2231013233 is about 47233.6027950441. The cubic root of 2231013233 is about 1306.6743984326.

Adding to 2231013233 its reverse (3323101322), we get a palindrome (5554114555).

The spelling of 2231013233 in words is "two billion, two hundred thirty-one million, thirteen thousand, two hundred thirty-three".

Divisors: 1 1571 1420123 2231013233