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13242101431 = 131759919011
BaseRepresentation
bin11000101010100101…
…00110111010110111
31021011212100110012011
430111102212322313
5204104434221211
610030000105051
7646103001466
oct142522467267
937155313164
1013242101431
115685903889
122696905187
1313305aa1a0
148d898a9dd
15527825921
hex3154a6eb7

13242101431 has 8 divisors (see below), whose sum is σ = 15099591024. Its totient is φ = 11504449920.

The previous prime is 13242101429. The next prime is 13242101449. The reversal of 13242101431 is 13410124231.

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 13242101431 - 21 = 13242101429 is a prime.

It is a super-2 number, since 2×132421014312 (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 (13242101401) 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, 29959285 + ... + 29959726.

It is an arithmetic number, because the mean of its divisors is an integer number (1887448878).

Almost surely, 213242101431 is an apocalyptic number.

13242101431 is a deficient number, since it is larger than the sum of its proper divisors (1857489593).

13242101431 is a wasteful number, since it uses less digits than its factorization.

13242101431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59919041.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13242101431 its reverse (13410124231), we get a palindrome (26652225662).

The spelling of 13242101431 in words is "thirteen billion, two hundred forty-two million, one hundred one thousand, four hundred thirty-one".

Divisors: 1 13 17 221 59919011 778947143 1018623187 13242101431