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33013243031 = 383773111509
BaseRepresentation
bin11110101111101111…
…100001110010010111
310011012202020111201212
4132233233201302113
51020102342234111
623055512212035
72246045635646
oct365757416227
9104182214655
1033013243031
111300112a12a
12649409a01b
133161735342
1418526db35d
15cd343698b
hex7afbe1c97

33013243031 has 8 divisors (see below), whose sum is σ = 33142556160. Its totient is φ = 32884155232.

The previous prime is 33013242971. The next prime is 33013243073. The reversal of 33013243031 is 13034231033.

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 33013243031 - 222 = 33009048727 is a prime.

It is a super-2 number, since 2×330132430312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33013242988 and 33013243006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33013243231) 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 7 ways as a sum of consecutive naturals, for example, 240305 + ... + 351813.

It is an arithmetic number, because the mean of its divisors is an integer number (4142819520).

Almost surely, 233013243031 is an apocalyptic number.

33013243031 is a deficient number, since it is larger than the sum of its proper divisors (129313129).

33013243031 is a wasteful number, since it uses less digits than its factorization.

33013243031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112665.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33013243031 its reverse (13034231033), we get a palindrome (46047474064).

The spelling of 33013243031 in words is "thirty-three billion, thirteen million, two hundred forty-three thousand, thirty-one".

Divisors: 1 383 773 111509 296059 42707947 86196457 33013243031