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3002221331 = 19158011649
BaseRepresentation
bin1011001011110010…
…0100001100010011
321202020012122102122
42302330210030103
522122032040311
61213524004455
7134253313604
oct26274441423
97666178378
103002221331
11130074835a
126b953072b
1338acb1635
14206a23dab
151288820db
hexb2f24313

3002221331 has 4 divisors (see below), whose sum is σ = 3160233000. Its totient is φ = 2844209664.

The previous prime is 3002221309. The next prime is 3002221337. The reversal of 3002221331 is 1331222003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3002221331 is a prime.

It is a super-2 number, since 2×30022213312 = 18026665840622823122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3002221337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79005806 + ... + 79005843.

It is an arithmetic number, because the mean of its divisors is an integer number (790058250).

Almost surely, 23002221331 is an apocalyptic number.

3002221331 is a deficient number, since it is larger than the sum of its proper divisors (158011669).

3002221331 is a wasteful number, since it uses less digits than its factorization.

3002221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158011668.

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

The square root of 3002221331 is about 54792.5298831875. The cubic root of 3002221331 is about 1442.6054506721.

Adding to 3002221331 its reverse (1331222003), we get a palindrome (4333443334).

The spelling of 3002221331 in words is "three billion, two million, two hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 19 158011649 3002221331