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3331030021 = 111631857797
BaseRepresentation
bin1100011010001011…
…0111110000000101
322121010220212011021
43012202313300011
523310220430041
61310311311141
7145355200534
oct30642676005
98533825137
103331030021
11145a309180
1278b67b4b1
134111580a7
1423857631b
15147681cd1
hexc68b7c05

3331030021 has 8 divisors (see below), whose sum is σ = 3656146464. Its totient is φ = 3009629520.

The previous prime is 3331030009. The next prime is 3331030037. The reversal of 3331030021 is 1200301333.

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 3331030021 - 29 = 3331029509 is a prime.

It is a super-2 number, since 2×33310300212 = 22191522001606520882, 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 = 3331029977 and 3331030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331030051) 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, 927106 + ... + 930691.

It is an arithmetic number, because the mean of its divisors is an integer number (457018308).

Almost surely, 23331030021 is an apocalyptic number.

It is an amenable number.

3331030021 is a deficient number, since it is larger than the sum of its proper divisors (325116443).

3331030021 is a wasteful number, since it uses less digits than its factorization.

3331030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857971.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 3331030021 is about 57715.0762019769. The cubic root of 3331030021 is about 1493.4574337446.

Adding to 3331030021 its reverse (1200301333), we get a palindrome (4531331354).

The spelling of 3331030021 in words is "three billion, three hundred thirty-one million, thirty thousand, twenty-one".

Divisors: 1 11 163 1793 1857797 20435767 302820911 3331030021