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3003120031 = 19261760397
BaseRepresentation
bin1011001011111111…
…1111100110011111
321202021220022012211
42302333333212133
522122244320111
61213555141251
7134264045662
oct26277774637
97667808184
103003120031
11130120158a
126b98a4827
1338b237702
14206bb96d9
151289ad521
hexb2fff99f

3003120031 has 8 divisors (see below), whose sum is σ = 3162439280. Its totient is φ = 2843926848.

The previous prime is 3003120019. The next prime is 3003120041. The reversal of 3003120031 is 1300213003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3003120031 - 221 = 3001022879 is a prime.

It is a super-2 number, since 2×30031200312 = 18037459841186881922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3003119993 and 3003120020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3003120011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19525 + ... + 79921.

It is an arithmetic number, because the mean of its divisors is an integer number (395304910).

Almost surely, 23003120031 is an apocalyptic number.

3003120031 is a deficient number, since it is larger than the sum of its proper divisors (159319249).

3003120031 is a wasteful number, since it uses less digits than its factorization.

3003120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63033.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3003120031 is about 54800.7302049891. The cubic root of 3003120031 is about 1442.7493818965.

Adding to 3003120031 its reverse (1300213003), we get a palindrome (4303333034).

The spelling of 3003120031 in words is "three billion, three million, one hundred twenty thousand, thirty-one".

Divisors: 1 19 2617 49723 60397 1147543 158058949 3003120031