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30331121011 = 1631058917573
BaseRepresentation
bin11100001111111000…
…000010110101110011
32220021211100121000021
4130033320002311303
5444104231333021
621533421104311
72122430163142
oct341770026563
986254317007
1030331121011
1111955144164
125a659b8097
132b24b6b1a9
14167a3dd759
15bc7c33c41
hex70fe02d73

30331121011 has 8 divisors (see below), whose sum is σ = 30521820240. Its totient is φ = 30140478432.

The previous prime is 30331121003. The next prime is 30331121053. The reversal of 30331121011 is 11012113303.

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 30331121011 - 23 = 30331121003 is a prime.

It is a super-3 number, since 3×303311210113 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30331121411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717221 + ... + 1734793.

It is an arithmetic number, because the mean of its divisors is an integer number (3815227530).

Almost surely, 230331121011 is an apocalyptic number.

30331121011 is a deficient number, since it is larger than the sum of its proper divisors (190699229).

30331121011 is a wasteful number, since it uses less digits than its factorization.

30331121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28325.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30331121011 its reverse (11012113303), we get a palindrome (41343234314).

The spelling of 30331121011 in words is "thirty billion, three hundred thirty-one million, one hundred twenty-one thousand, eleven".

Divisors: 1 163 10589 17573 1726007 2864399 186080497 30331121011