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13131133223 = 131010087171
BaseRepresentation
bin11000011101010110…
…10011000100100111
31020220010112200102112
430032223103010213
5203343032230343
610010553431235
7643254535145
oct141653230447
936803480375
1013131133223
11562920081a
12266570b51b
1313135c6220
148c7d42595
1551cc06218
hex30ead3127

13131133223 has 4 divisors (see below), whose sum is σ = 14141220408. Its totient is φ = 12121046040.

The previous prime is 13131133207. The next prime is 13131133229. The reversal of 13131133223 is 32233113131.

13131133223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13131133223 - 24 = 13131133207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131133229) 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, 505043573 + ... + 505043598.

It is an arithmetic number, because the mean of its divisors is an integer number (3535305102).

Almost surely, 213131133223 is an apocalyptic number.

13131133223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13131133223 is a deficient number, since it is larger than the sum of its proper divisors (1010087185).

13131133223 is a wasteful number, since it uses less digits than its factorization.

13131133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010087184.

The product of its digits is 972, while the sum is 23.

Adding to 13131133223 its reverse (32233113131), we get a palindrome (45364246354).

The spelling of 13131133223 in words is "thirteen billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-three".

Divisors: 1 13 1010087171 13131133223