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12344344340131 = 29467994189069
BaseRepresentation
bin1011001110100010010001…
…0000100110011010100011
31121201002220120201000100101
42303220210100212122203
53104222204122341011
642130525152203231
72412564234424336
oct263504420463243
947632816630311
1012344344340131
113a2a230622191
1214744bbb39517
136b70b36463bb
1430968027861d
151661886a82c1
hexb3a244266a3

12344344340131 has 4 divisors (see below), whose sum is σ = 12344351476000. Its totient is φ = 12344337204264.

The previous prime is 12344344340051. The next prime is 12344344340233. The reversal of 12344344340131 is 13104344344321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12344344340131 - 215 = 12344344307363 is a prime.

It is a super-2 number, since 2×123443443401312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12344344344131) 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 3 ways as a sum of consecutive naturals, for example, 852265 + ... + 5041333.

It is an arithmetic number, because the mean of its divisors is an integer number (3086087869000).

Almost surely, 212344344340131 is an apocalyptic number.

12344344340131 is a deficient number, since it is larger than the sum of its proper divisors (7135869).

12344344340131 is an equidigital number, since it uses as much as digits as its factorization.

12344344340131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135868.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 12344344340131 its reverse (13104344344321), we get a palindrome (25448688684452).

The spelling of 12344344340131 in words is "twelve trillion, three hundred forty-four billion, three hundred forty-four million, three hundred forty thousand, one hundred thirty-one".

Divisors: 1 2946799 4189069 12344344340131