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30111340331 = 40973621859
BaseRepresentation
bin11100000010110001…
…101001011100101011
32212201111210120121002
4130002301221130223
5443132000342311
621455530305215
72114121112142
oct340261513453
985644716532
1030111340331
1111852080736
125a0428820b
132abb479557
14165914c759
15bb37bd93b
hex702c6972b

30111340331 has 4 divisors (see below), whose sum is σ = 30184962600. Its totient is φ = 30037718064.

The previous prime is 30111340327. The next prime is 30111340351. The reversal of 30111340331 is 13304311103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13304311103 = 47283070449.

It is a cyclic number.

It is not a de Polignac number, because 30111340331 - 22 = 30111340327 is a prime.

It is a super-2 number, since 2×301113403312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111340351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36810521 + ... + 36811338.

It is an arithmetic number, because the mean of its divisors is an integer number (7546240650).

Almost surely, 230111340331 is an apocalyptic number.

30111340331 is a deficient number, since it is larger than the sum of its proper divisors (73622269).

30111340331 is an equidigital number, since it uses as much as digits as its factorization.

30111340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73622268.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30111340331 its reverse (13304311103), we get a palindrome (43415651434).

The spelling of 30111340331 in words is "thirty billion, one hundred eleven million, three hundred forty thousand, three hundred thirty-one".

Divisors: 1 409 73621859 30111340331