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2131343241 = 3710447747
BaseRepresentation
bin111111100001001…
…1011011110001001
312111112111110021120
41333002123132021
513331110440431
6551254025453
7103550055456
oct17702333611
95445443246
102131343241
119a40a67a5
124b5948289
1327c743361
141630c882d
15c71a9196
hex7f09b789

2131343241 has 4 divisors (see below), whose sum is σ = 2841790992. Its totient is φ = 1420895492.

The previous prime is 2131343191. The next prime is 2131343281. The reversal of 2131343241 is 1423431312.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 2131343241 - 215 = 2131310473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131343281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355223871 + ... + 355223876.

It is an arithmetic number, because the mean of its divisors is an integer number (710447748).

Almost surely, 22131343241 is an apocalyptic number.

It is an amenable number.

2131343241 is a deficient number, since it is larger than the sum of its proper divisors (710447751).

2131343241 is an equidigital number, since it uses as much as digits as its factorization.

2131343241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710447750.

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

The square root of 2131343241 is about 46166.4731271515. The cubic root of 2131343241 is about 1286.9187605577.

Adding to 2131343241 its reverse (1423431312), we get a palindrome (3554774553).

The spelling of 2131343241 in words is "two billion, one hundred thirty-one million, three hundred forty-three thousand, two hundred forty-one".

Divisors: 1 3 710447747 2131343241