Search a number
-
+
134431023343 = 961791397717
BaseRepresentation
bin111110100110010110…
…1101010000011101111
3110211222201200112221111
41331030231222003233
54200303320221333
6141431243212451
712466216562521
oct1751455520357
9424881615844
10134431023343
11520148985a1
1222078817127
13c8a4baa536
146713b7ba11
15376bd794cd
hex1f4cb6a0ef

134431023343 has 4 divisors (see below), whose sum is σ = 134432517240. Its totient is φ = 134429529448.

The previous prime is 134431023271. The next prime is 134431023347. The reversal of 134431023343 is 343320134431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343320134431 = 938713657361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134431023343 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 (134431023347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602680 + ... + 795037.

It is an arithmetic number, because the mean of its divisors is an integer number (33608129310).

Almost surely, 2134431023343 is an apocalyptic number.

134431023343 is a deficient number, since it is larger than the sum of its proper divisors (1493897).

134431023343 is an equidigital number, since it uses as much as digits as its factorization.

134431023343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493896.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 134431023343 its reverse (343320134431), we get a palindrome (477751157774).

The spelling of 134431023343 in words is "one hundred thirty-four billion, four hundred thirty-one million, twenty-three thousand, three hundred forty-three".

Divisors: 1 96179 1397717 134431023343