Search a number
-
+
131332212434 = 2821422918913
BaseRepresentation
bin111101001010000000…
…0101000011011010010
3110112222202201122112002
41322110000220123102
54122432021244214
6140155545034002
712326351246423
oct1722400503322
9415882648462
10131332212434
1150774679045
1221552a85902
13c4ccbaa807
1464dc3b364a
153639cb81de
hex1e940286d2

131332212434 has 16 divisors (see below), whose sum is σ = 197295338520. Its totient is φ = 65567147520.

The previous prime is 131332212421. The next prime is 131332212481. The reversal of 131332212434 is 434212233131.

It can be written as a sum of positive squares in 4 ways, for example, as 128130350209 + 3201862225 = 357953^2 + 56585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131332212397 and 131332212406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6934562 + ... + 6953474.

Almost surely, 2131332212434 is an apocalyptic number.

131332212434 is a deficient number, since it is larger than the sum of its proper divisors (65963126086).

131332212434 is a wasteful number, since it uses less digits than its factorization.

131332212434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23965.

The product of its digits is 10368, while the sum is 29.

Adding to 131332212434 its reverse (434212233131), we get a palindrome (565544445565).

The spelling of 131332212434 in words is "one hundred thirty-one billion, three hundred thirty-two million, two hundred twelve thousand, four hundred thirty-four".

Divisors: 1 2 821 1642 4229 8458 18913 37826 3472009 6944018 15527573 31055146 79983077 159966154 65666106217 131332212434