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3133141 = 11284831
BaseRepresentation
bin1011111100111011010101
312220011212021
423330323111
51300230031
6151053141
735426344
oct13747325
95804767
103133141
11184aa80
1210711b1
1385913b
145b7b5b
1541d511
hex2fced5

3133141 has 4 divisors (see below), whose sum is σ = 3417984. Its totient is φ = 2848300.

The previous prime is 3133111. The next prime is 3133153. The reversal of 3133141 is 1413313.

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: 1413313 = 11128483.

It is a cyclic number.

It is not a de Polignac number, because 3133141 - 29 = 3132629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133111) 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, 142405 + ... + 142426.

It is an arithmetic number, because the mean of its divisors is an integer number (854496).

Almost surely, 23133141 is an apocalyptic number.

It is an amenable number.

3133141 is a deficient number, since it is larger than the sum of its proper divisors (284843).

3133141 is a wasteful number, since it uses less digits than its factorization.

3133141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284842.

The product of its digits is 108, while the sum is 16.

The square root of 3133141 is about 1770.0680777868. The cubic root of 3133141 is about 146.3277337754.

Adding to 3133141 its reverse (1413313), we get a palindrome (4546454).

The spelling of 3133141 in words is "three million, one hundred thirty-three thousand, one hundred forty-one".

Divisors: 1 11 284831 3133141