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30031103133 = 3312721141507
BaseRepresentation
bin11011111101111111…
…100100010010011101
32212111220211002212000
4123331333210102131
5443000430300013
621443542432513
72112125110353
oct337577442235
985456732760
1030031103133
11118108582a9
1259a1432739
132aa7965215
14164c6237d3
15bab71e973
hex6fdfe449d

30031103133 has 32 divisors (see below), whose sum is σ = 45054443520. Its totient is φ = 19768477680.

The previous prime is 30031103083. The next prime is 30031103257. The reversal of 30031103133 is 33130113003.

It is not a de Polignac number, because 30031103133 - 217 = 30030972061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031003133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702766 + ... + 744272.

It is an arithmetic number, because the mean of its divisors is an integer number (1407951360).

Almost surely, 230031103133 is an apocalyptic number.

It is an amenable number.

30031103133 is a deficient number, since it is larger than the sum of its proper divisors (15023340387).

30031103133 is a wasteful number, since it uses less digits than its factorization.

30031103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41854 (or 41848 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 30031103133 its reverse (33130113003), we get a palindrome (63161216136).

The spelling of 30031103133 in words is "thirty billion, thirty-one million, one hundred three thousand, one hundred thirty-three".

Divisors: 1 3 9 27 127 211 381 633 1143 1899 3429 5697 26797 41507 80391 124521 241173 373563 723519 1120689 5271389 8757977 15814167 26273931 47442501 78821793 142327503 236465379 1112263079 3336789237 10010367711 30031103133