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13231303201 = 171940963787
BaseRepresentation
bin11000101001010010…
…11010101000100001
31021011010000211210201
430110221122220201
5204044203200301
610024532425201
7645612135664
oct142451325041
937133024721
1013231303201
11567a7a8a26
122693178201
13132b2991bc
148d73796db
155268e1201
hex314a5aa21

13231303201 has 8 divisors (see below), whose sum is σ = 14746963680. Its totient is φ = 11797570368.

The previous prime is 13231303199. The next prime is 13231303207. The reversal of 13231303201 is 10230313231.

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 13231303201 - 21 = 13231303199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231303207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20481571 + ... + 20482216.

It is an arithmetic number, because the mean of its divisors is an integer number (1843370460).

Almost surely, 213231303201 is an apocalyptic number.

It is an amenable number.

13231303201 is a deficient number, since it is larger than the sum of its proper divisors (1515660479).

13231303201 is a wasteful number, since it uses less digits than its factorization.

13231303201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40963823.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13231303201 its reverse (10230313231), we get a palindrome (23461616432).

The spelling of 13231303201 in words is "thirteen billion, two hundred thirty-one million, three hundred three thousand, two hundred one".

Divisors: 1 17 19 323 40963787 696384379 778311953 13231303201