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320111941 is a prime number
BaseRepresentation
bin10011000101001…
…000010101000101
3211022100101000211
4103011020111011
51123422040231
651433035421
710634622652
oct2305102505
9738311024
10320111941
11154770926
128b255b71
1351420166
143072ac29
151d182eb1
hex13148545

320111941 has 2 divisors, whose sum is σ = 320111942. Its totient is φ = 320111940.

The previous prime is 320111933. The next prime is 320111959. The reversal of 320111941 is 149111023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300883716 + 19228225 = 17346^2 + 4385^2 .

It is a cyclic number.

It is not a de Polignac number, because 320111941 - 23 = 320111933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320115941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160055970 + 160055971.

It is an arithmetic number, because the mean of its divisors is an integer number (160055971).

Almost surely, 2320111941 is an apocalyptic number.

It is an amenable number.

320111941 is a deficient number, since it is larger than the sum of its proper divisors (1).

320111941 is an equidigital number, since it uses as much as digits as its factorization.

320111941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 320111941 is about 17891.6723924847. The cubic root of 320111941 is about 684.0701262130.

Adding to 320111941 its reverse (149111023), we get a palindrome (469222964).

The spelling of 320111941 in words is "three hundred twenty million, one hundred eleven thousand, nine hundred forty-one".