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311131202132 = 22194093831607
BaseRepresentation
bin1001000011100001101…
…11010110001001010100
31002202002021020200110202
410201300313112021110
520044144041432012
6354533125240032
731323056403602
oct4416067261124
91082067220422
10311131202132
1110aa4a4a8203
1250371263018
1323454ca2c4a
14110b7606872
15815ea17cc2
hex4870dd6254

311131202132 has 12 divisors (see below), whose sum is σ = 573136425120. Its totient is φ = 147377937816.

The previous prime is 311131202111. The next prime is 311131202143. The reversal of 311131202132 is 231202131113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046915728 + ... + 2046915879.

It is an arithmetic number, because the mean of its divisors is an integer number (47761368760).

Almost surely, 2311131202132 is an apocalyptic number.

It is an amenable number.

311131202132 is a deficient number, since it is larger than the sum of its proper divisors (262005222988).

311131202132 is a wasteful number, since it uses less digits than its factorization.

311131202132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093831630 (or 4093831628 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 311131202132 its reverse (231202131113), we get a palindrome (542333333245).

The spelling of 311131202132 in words is "three hundred eleven billion, one hundred thirty-one million, two hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 19 38 76 4093831607 8187663214 16375326428 77782800533 155565601066 311131202132