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331041041 = 2331420777
BaseRepresentation
bin10011101110110…
…100100100010001
3212001220121221022
4103232310210101
51134221303131
652503205225
711126542142
oct2356644421
9761817838
10331041041
1115a956041
1292a46815
1353778896
1431d73ac9
151e0e137b
hex13bb4911

331041041 has 4 divisors (see below), whose sum is σ = 332462052. Its totient is φ = 329620032.

The previous prime is 331041023. The next prime is 331041049. The reversal of 331041041 is 140140133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140140133 = 720020019.

It can be written as a sum of positive squares in 2 ways, for example, as 218596225 + 112444816 = 14785^2 + 10604^2 .

It is a cyclic number.

It is not a de Polignac number, because 331041041 - 214 = 331024657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331041049) 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, 710156 + ... + 710621.

It is an arithmetic number, because the mean of its divisors is an integer number (83115513).

Almost surely, 2331041041 is an apocalyptic number.

It is an amenable number.

331041041 is a deficient number, since it is larger than the sum of its proper divisors (1421011).

331041041 is a wasteful number, since it uses less digits than its factorization.

331041041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421010.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 331041041 is about 18194.5332723871. The cubic root of 331041041 is about 691.7682302947.

Adding to 331041041 its reverse (140140133), we get a palindrome (471181174).

The spelling of 331041041 in words is "three hundred thirty-one million, forty-one thousand, forty-one".

Divisors: 1 233 1420777 331041041