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41131313 = 172419489
BaseRepresentation
bin1001110011100…
…1110100110001
32212101200112222
42130321310301
541012200223
64025330425
71006416236
oct234716461
985350488
1041131313
1121243623
1211936a15
1386a1772
14566978d
1539270c8
hex2739d31

41131313 has 4 divisors (see below), whose sum is σ = 43550820. Its totient is φ = 38711808.

The previous prime is 41131297. The next prime is 41131357. The reversal of 41131313 is 31313114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23348224 + 17783089 = 4832^2 + 4217^2 .

It is a cyclic number.

It is not a de Polignac number, because 41131313 - 24 = 41131297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 2419489 = 41131313 / (4 + 1 + 1 + 3 + 1 + 3 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41131291 and 41131300.

It is not an unprimeable number, because it can be changed into a prime (41131393) 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, 1209728 + ... + 1209761.

It is an arithmetic number, because the mean of its divisors is an integer number (10887705).

Almost surely, 241131313 is an apocalyptic number.

It is an amenable number.

41131313 is a deficient number, since it is larger than the sum of its proper divisors (2419507).

41131313 is a wasteful number, since it uses less digits than its factorization.

41131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419506.

The product of its digits is 108, while the sum is 17.

The square root of 41131313 is about 6413.3698630283. The cubic root of 41131313 is about 345.1894583559.

Adding to 41131313 its reverse (31313114), we get a palindrome (72444427).

The spelling of 41131313 in words is "forty-one million, one hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 17 2419489 41131313