Search a number
-
+
133431310207 = 1320634975253
BaseRepresentation
bin111110001000100100…
…0000011011101111111
3110202102001112212100001
41330101020003131333
54141231403411312
6141144132015131
712432360265126
oct1742110033577
9422361485301
10133431310207
1151651550298
1221a39a614a7
13c775a40ac0
14665b0a6abd
15370e203057
hex1f1120377f

133431310207 has 8 divisors (see below), whose sum is σ = 143764939584. Its totient is φ = 123107635488.

The previous prime is 133431310163. The next prime is 133431310219. The reversal of 133431310207 is 702013134331.

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 133431310207 - 215 = 133431277439 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 (133431310267) 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, 2460808 + ... + 2514445.

It is an arithmetic number, because the mean of its divisors is an integer number (17970617448).

Almost surely, 2133431310207 is an apocalyptic number.

133431310207 is a deficient number, since it is larger than the sum of its proper divisors (10333629377).

133431310207 is a wasteful number, since it uses less digits than its factorization.

133431310207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977329.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 133431310207 its reverse (702013134331), we get a palindrome (835444444538).

The spelling of 133431310207 in words is "one hundred thirty-three billion, four hundred thirty-one million, three hundred ten thousand, two hundred seven".

Divisors: 1 13 2063 26819 4975253 64678289 10263946939 133431310207