Search a number
-
+
131332211121 = 394307464201
BaseRepresentation
bin111101001010000000…
…0101000000110110001
3110112222202201120201110
41322110000220012301
54122432021223441
6140155545023533
712326351242536
oct1722400500661
9415882646643
10131332211121
1150774678061
1221552a84ba9
13c4ccbaa037
1464dc3b2d8d
153639cb7b16
hex1e940281b1

131332211121 has 8 divisors (see below), whose sum is σ = 175111848864. Its totient is φ = 87553690400.

The previous prime is 131332211119. The next prime is 131332211149. The reversal of 131332211121 is 121112233131.

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 131332211121 - 21 = 131332211119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131332211221) 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, 50821 + ... + 515021.

It is an arithmetic number, because the mean of its divisors is an integer number (21888981108).

Almost surely, 2131332211121 is an apocalyptic number.

It is an amenable number.

131332211121 is a deficient number, since it is larger than the sum of its proper divisors (43779637743).

131332211121 is an equidigital number, since it uses as much as digits as its factorization.

131332211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558511.

The product of its digits is 216, while the sum is 21.

Adding to 131332211121 its reverse (121112233131), we get a palindrome (252444444252).

The spelling of 131332211121 in words is "one hundred thirty-one billion, three hundred thirty-two million, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 3 94307 282921 464201 1392603 43777403707 131332211121