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2131432341 = 317675411153
BaseRepresentation
bin111111100001011…
…0001001110010101
312111112122222111120
41333002301032111
513331121313331
6551255554153
7103550606313
oct17702611625
95445588446
102131432341
119a4157735
124b598b959
1327c774a8c
1416310d0b3
15c71c5796
hex7f0b1395

2131432341 has 32 divisors (see below), whose sum is σ = 3062291328. Its totient is φ = 1313832960.

The previous prime is 2131432337. The next prime is 2131432349. The reversal of 2131432341 is 1432341312.

It is a happy number.

It is not a de Polignac number, because 2131432341 - 22 = 2131432337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131432349) 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 31 ways as a sum of consecutive naturals, for example, 1848021 + ... + 1849173.

It is an arithmetic number, because the mean of its divisors is an integer number (95696604).

Almost surely, 22131432341 is an apocalyptic number.

It is an amenable number.

2131432341 is a deficient number, since it is larger than the sum of its proper divisors (930858987).

2131432341 is a wasteful number, since it uses less digits than its factorization.

2131432341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781.

The product of its digits is 1728, while the sum is 24.

The square root of 2131432341 is about 46167.4381030613. The cubic root of 2131432341 is about 1286.9366933589.

Adding to 2131432341 its reverse (1432341312), we get a palindrome (3563773653).

The spelling of 2131432341 in words is "two billion, one hundred thirty-one million, four hundred thirty-two thousand, three hundred forty-one".

Divisors: 1 3 17 51 67 201 541 1139 1153 1623 3417 3459 9197 19601 27591 36247 58803 77251 108741 231753 616199 623773 1313267 1848597 1871319 3939801 10604141 31812423 41792791 125378373 710477447 2131432341