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3109031 is a prime number
BaseRepresentation
bin1011110111000010100111
312211221210022
423313002213
51243442111
6150345355
735266142
oct13670247
95757708
103109031
111833952
12105b25b
1384b183
145ad059
154162db
hex2f70a7

3109031 has 2 divisors, whose sum is σ = 3109032. Its totient is φ = 3109030.

The previous prime is 3108991. The next prime is 3109069. The reversal of 3109031 is 1309013.

It is a strong prime.

It is an emirp because it is prime and its reverse (1309013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3109031 - 26 = 3108967 is a prime.

It is a super-2 number, since 2×31090312 = 19332147517922, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3109081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554515 + 1554516.

It is an arithmetic number, because the mean of its divisors is an integer number (1554516).

Almost surely, 23109031 is an apocalyptic number.

3109031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3109031 is an equidigital number, since it uses as much as digits as its factorization.

3109031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 3109031 is about 1763.2444527064. The cubic root of 3109031 is about 145.9514287671.

The spelling of 3109031 in words is "three million, one hundred nine thousand, thirty-one".