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3020403131 = 10392907029
BaseRepresentation
bin1011010000000111…
…1011000110111011
321210111102101011122
42310001323012323
522141210400011
61215413415455
7134564001014
oct26401730673
97714371148
103020403131
11130aa36639
1270363a58b
133919a92b5
142091d800b
1512a2743db
hexb407b1bb

3020403131 has 4 divisors (see below), whose sum is σ = 3023311200. Its totient is φ = 3017495064.

The previous prime is 3020403121. The next prime is 3020403143. The reversal of 3020403131 is 1313040203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1313040203 = 1777237659.

It is a cyclic number.

It is not a de Polignac number, because 3020403131 - 230 = 1946661307 is a prime.

It is a super-2 number, since 2×30204031312 = 18245670147509206322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3020403121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452476 + ... + 1454553.

It is an arithmetic number, because the mean of its divisors is an integer number (755827800).

Almost surely, 23020403131 is an apocalyptic number.

3020403131 is a deficient number, since it is larger than the sum of its proper divisors (2908069).

3020403131 is a wasteful number, since it uses less digits than its factorization.

3020403131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908068.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3020403131 is about 54958.1943935570. The cubic root of 3020403131 is about 1445.5117867232.

Adding to 3020403131 its reverse (1313040203), we get a palindrome (4333443334).

The spelling of 3020403131 in words is "three billion, twenty million, four hundred three thousand, one hundred thirty-one".

Divisors: 1 1039 2907029 3020403131