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13204111031 = 757153111393
BaseRepresentation
bin11000100110000011…
…01011111010110111
31021002012212100011022
430103001223322313
5204020223023111
610022121531355
7645132043346
oct142301537267
937065770138
1013204111031
115666416061
122686043b5b
131325768267
148d38dbb5d
1552431e2db
hex31306beb7

13204111031 has 8 divisors (see below), whose sum is σ = 13231350864. Its totient is φ = 13176898560.

The previous prime is 13204111027. The next prime is 13204111043. The reversal of 13204111031 is 13011140231.

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 13204111031 - 22 = 13204111027 is a prime.

It is a super-2 number, since 2×132041110312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204111001) 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, 1153271 + ... + 1164663.

It is an arithmetic number, because the mean of its divisors is an integer number (1653918858).

Almost surely, 213204111031 is an apocalyptic number.

13204111031 is a deficient number, since it is larger than the sum of its proper divisors (27239833).

13204111031 is a wasteful number, since it uses less digits than its factorization.

13204111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13681.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13204111031 its reverse (13011140231), we get a palindrome (26215251262).

The spelling of 13204111031 in words is "thirteen billion, two hundred four million, one hundred eleven thousand, thirty-one".

Divisors: 1 757 1531 11393 1158967 8624501 17442683 13204111031