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1339031 is a prime number
BaseRepresentation
bin101000110111010010111
32112000210202
411012322113
5320322111
644411115
714244611
oct5067227
92460722
101339031
11835041
12546a9b
1337b635
1426bdb1
151b6b3b
hex146e97

1339031 has 2 divisors, whose sum is σ = 1339032. Its totient is φ = 1339030.

The previous prime is 1339027. The next prime is 1339057. The reversal of 1339031 is 1309331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1339031 - 22 = 1339027 is a prime.

It is a super-2 number, since 2×13390312 = 3586008037922, which contains 22 as substring.

It is a Chen prime.

It is equal to p102782 and since 1339031 and 102782 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1338994 and 1339012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1339001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669515 + 669516.

It is an arithmetic number, because the mean of its divisors is an integer number (669516).

21339031 is an apocalyptic number.

1339031 is the 518-th centered decagonal number.

1339031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339031 is an equidigital number, since it uses as much as digits as its factorization.

1339031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 1339031 is about 1157.1650703335. The cubic root of 1339031 is about 110.2207961824.

The spelling of 1339031 in words is "one million, three hundred thirty-nine thousand, thirty-one".