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131223132103 = 719986640091
BaseRepresentation
bin111101000110110000…
…0100001011111000111
3110112201011110210102211
41322031200201133013
54122221110211403
6140141051044251
712323555135110
oct1721540413707
9415634423384
10131223132103
1150719045408
1221522440687
13c4b3407c3b
1464cbadb207
15363041d06d
hex1e8d8217c7

131223132103 has 8 divisors (see below), whose sum is σ = 157862414720. Its totient is φ = 106557129720.

The previous prime is 131223132071. The next prime is 131223132119. The reversal of 131223132103 is 301231322131.

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 131223132103 - 25 = 131223132071 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 (131223132203) 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, 493319913 + ... + 493320178.

It is an arithmetic number, because the mean of its divisors is an integer number (19732801840).

Almost surely, 2131223132103 is an apocalyptic number.

131223132103 is a deficient number, since it is larger than the sum of its proper divisors (26639282617).

131223132103 is an equidigital number, since it uses as much as digits as its factorization.

131223132103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986640117.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131223132103 its reverse (301231322131), we get a palindrome (432454454234).

The spelling of 131223132103 in words is "one hundred thirty-one billion, two hundred twenty-three million, one hundred thirty-two thousand, one hundred three".

Divisors: 1 7 19 133 986640091 6906480637 18746161729 131223132103