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331211041 = 7216094201
BaseRepresentation
bin10011101111011…
…110000100100001
3212002020021010121
4103233132010201
51134242223131
652511000241
711131150600
oct2357360441
9762207117
10331211041
1115aa61837
1292b09081
1353808085
1431db9a37
151e126911
hex13bde121

331211041 has 12 divisors (see below), whose sum is σ = 385617540. Its totient is φ = 283651200.

The previous prime is 331211033. The next prime is 331211053. The reversal of 331211041 is 140112133.

It can be written as a sum of positive squares in 2 ways, for example, as 180633600 + 150577441 = 13440^2 + 12271^2 .

It is not a de Polignac number, because 331211041 - 23 = 331211033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331211071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76741 + ... + 80941.

It is an arithmetic number, because the mean of its divisors is an integer number (32134795).

Almost surely, 2331211041 is an apocalyptic number.

It is an amenable number.

331211041 is a deficient number, since it is larger than the sum of its proper divisors (54406499).

331211041 is a wasteful number, since it uses less digits than its factorization.

331211041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 331211041 is about 18199.2044056876. The cubic root of 331211041 is about 691.8866249546.

Adding to 331211041 its reverse (140112133), we get a palindrome (471323174).

The spelling of 331211041 in words is "three hundred thirty-one million, two hundred eleven thousand, forty-one".

Divisors: 1 7 49 1609 4201 11263 29407 78841 205849 6759409 47315863 331211041