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3020313331 = 73471243439
BaseRepresentation
bin1011010000000110…
…0101001011110011
321210111020210222201
42310001211023303
522141200011311
61215411444031
7134563145140
oct26401451363
97714223881
103020313331
11130a985122
127035b6617
13391977469
142091b33c7
1512a2579c1
hexb40652f3

3020313331 has 8 divisors (see below), whose sum is σ = 3461736960. Its totient is φ = 2581377288.

The previous prime is 3020313299. The next prime is 3020313349. The reversal of 3020313331 is 1333130203.

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

It is not a de Polignac number, because 3020313331 - 25 = 3020313299 is a prime.

It is a super-2 number, since 2×30203133312 = 18244585234832631122, 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 = 3020313299 and 3020313308.

It is not an unprimeable number, because it can be changed into a prime (3020313031) 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, 619291 + ... + 624148.

It is an arithmetic number, because the mean of its divisors is an integer number (432717120).

Almost surely, 23020313331 is an apocalyptic number.

3020313331 is a deficient number, since it is larger than the sum of its proper divisors (441423629).

3020313331 is a wasteful number, since it uses less digits than its factorization.

3020313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243793.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 3020313331 is about 54957.3774028565. The cubic root of 3020313331 is about 1445.4974610147.

Adding to 3020313331 its reverse (1333130203), we get a palindrome (4353443534).

It can be divided in two parts, 3020313 and 331, that added together give a square (3020644 = 17382).

The spelling of 3020313331 in words is "three billion, twenty million, three hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 7 347 2429 1243439 8704073 431473333 3020313331