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13231320112211 = 53439568673233
BaseRepresentation
bin1100000010001010100000…
…1000101001110001010011
31201211220100110002202122212
43000202220020221301103
53213240220422042321
644050215021222335
72533634306202035
oct300425010516123
951756313082585
1013231320112211
11424140a299853
12159839a4019ab
1374c9289c9b66
1433a5839c9c55
1517e29c59955b
hexc08a8229c53

13231320112211 has 8 divisors (see below), whose sum is σ = 13511676039840. Its totient is φ = 12952101532032.

The previous prime is 13231320112181. The next prime is 13231320112223. The reversal of 13231320112211 is 11221102313231.

It is a happy number.

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 13231320112211 - 26 = 13231320112147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231320172211) 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, 284313350 + ... + 284359883.

It is an arithmetic number, because the mean of its divisors is an integer number (1688959504980).

Almost surely, 213231320112211 is an apocalyptic number.

13231320112211 is a deficient number, since it is larger than the sum of its proper divisors (280355927629).

13231320112211 is an equidigital number, since it uses as much as digits as its factorization.

13231320112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568673725.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13231320112211 its reverse (11221102313231), we get a palindrome (24452422425442).

The spelling of 13231320112211 in words is "thirteen trillion, two hundred thirty-one billion, three hundred twenty million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 53 439 23267 568673233 30139681349 249647549287 13231320112211