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131020332111 = 3310148045593
BaseRepresentation
bin111101000000101101…
…0111001110001001111
3110112012000212111011000
41322001122321301033
54121312201111421
6140105004231343
712315543306354
oct1720132716117
9415160774130
10131020332111
115062461a809
122148653b553
13c4803b0346
1464acbca62b
15361c70e226
hex1e816b9c4f

131020332111 has 16 divisors (see below), whose sum is σ = 196026023520. Its totient is φ = 86482065600.

The previous prime is 131020332073. The next prime is 131020332133. The reversal of 131020332111 is 111233020131.

131020332111 is a `hidden beast` number, since 1 + 310 + 20 + 3 + 321 + 11 = 666.

It is not a de Polignac number, because 131020332111 - 215 = 131020299343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020332211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24020070 + ... + 24025523.

It is an arithmetic number, because the mean of its divisors is an integer number (12251626470).

Almost surely, 2131020332111 is an apocalyptic number.

131020332111 is a deficient number, since it is larger than the sum of its proper divisors (65005691409).

131020332111 is a wasteful number, since it uses less digits than its factorization.

131020332111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48045703 (or 48045697 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131020332111 its reverse (111233020131), we get a palindrome (242253352242).

The spelling of 131020332111 in words is "one hundred thirty-one billion, twenty million, three hundred thirty-two thousand, one hundred eleven".

Divisors: 1 3 9 27 101 303 909 2727 48045593 144136779 432410337 1297231011 4852604893 14557814679 43673444037 131020332111