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13222131241 = 115692112499
BaseRepresentation
bin11000101000001100…
…11011011000101001
31021010110202212020111
430110012123120221
5204034331144431
610024004054321
7645441155404
oct142406333051
937113685214
1013222131241
1156756039a0
1226900943a1
1313294074c7
148d606cd3b
15525bcd7b1
hex31419b629

13222131241 has 8 divisors (see below), whose sum is σ = 14449500000. Its totient is φ = 11998988640.

The previous prime is 13222131199. The next prime is 13222131257. The reversal of 13222131241 is 14213122231.

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 13222131241 - 27 = 13222131113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222131541) 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, 1049991 + ... + 1062508.

It is an arithmetic number, because the mean of its divisors is an integer number (1806187500).

Almost surely, 213222131241 is an apocalyptic number.

13222131241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13222131241 is a deficient number, since it is larger than the sum of its proper divisors (1227368759).

13222131241 is a wasteful number, since it uses less digits than its factorization.

13222131241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113079.

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

Adding to 13222131241 its reverse (14213122231), we get a palindrome (27435253472).

The spelling of 13222131241 in words is "thirteen billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 11 569 6259 2112499 23237489 1202011931 13222131241