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31003041 = 319228627
BaseRepresentation
bin111011001000…
…1000110100001
32011100010011210
41312101012201
530414044131
63024300333
7524343606
oct166210641
964303153
1031003041
1116556053
12a4716a9
1365666c4
1441906ad
152ac6146
hex1d911a1

31003041 has 12 divisors (see below), whose sum is σ = 43629072. Its totient is φ = 19580184.

The previous prime is 31003031. The next prime is 31003051. The reversal of 31003041 is 14030013.

It is an interprime number because it is at equal distance from previous prime (31003031) and next prime (31003051).

It is not a de Polignac number, because 31003041 - 27 = 31002913 is a prime.

It is a super-2 number, since 2×310030412 = 1922377102495362, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31003031) 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 in 11 ways as a sum of consecutive naturals, for example, 13231 + ... + 15396.

It is an arithmetic number, because the mean of its divisors is an integer number (3635756).

Almost surely, 231003041 is an apocalyptic number.

It is an amenable number.

31003041 is a deficient number, since it is larger than the sum of its proper divisors (12626031).

31003041 is a wasteful number, since it uses less digits than its factorization.

31003041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28668 (or 28649 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 31003041 is about 5568.0374459948. The cubic root of 31003041 is about 314.1483368802.

Adding to 31003041 its reverse (14030013), we get a palindrome (45033054).

The spelling of 31003041 in words is "thirty-one million, three thousand, forty-one".

Divisors: 1 3 19 57 361 1083 28627 85881 543913 1631739 10334347 31003041