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33030031321 = 710987429469
BaseRepresentation
bin11110110000101111…
…100100011111011001
310011020220211102221101
4132300233210133121
51020121142000241
623101312111401
72246341430260
oct366057443731
9104226742841
1033030031321
111300a656451
126499835561
133165062941
141854a2b5d7
15cd4b50e31
hex7b0be47d9

33030031321 has 8 divisors (see below), whose sum is σ = 37752130880. Its totient is φ = 28308812688.

The previous prime is 33030031277. The next prime is 33030031379. The reversal of 33030031321 is 12313003033.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33030031321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33030031121) 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, 137826 + ... + 291643.

It is an arithmetic number, because the mean of its divisors is an integer number (4719016360).

Almost surely, 233030031321 is an apocalyptic number.

It is an amenable number.

33030031321 is a deficient number, since it is larger than the sum of its proper divisors (4722099559).

33030031321 is a wasteful number, since it uses less digits than its factorization.

33030031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440463.

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

Adding to 33030031321 its reverse (12313003033), we get a palindrome (45343034354).

The spelling of 33030031321 in words is "thirty-three billion, thirty million, thirty-one thousand, three hundred twenty-one".

Divisors: 1 7 10987 76909 429469 3006283 4718575903 33030031321