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131131212334 = 2233583179559
BaseRepresentation
bin111101000100000000…
…1111000001000101110
3110112110202111210012221
41322020001320020232
54122024042243314
6140124004545554
712321360625333
oct1721001701056
9415422453187
10131131212334
1150681172761
12214b76b22ba
13c49a363245
1464bd81098a
153627312824
hex1e8807822e

131131212334 has 16 divisors (see below), whose sum is σ = 205257162240. Its totient is φ = 62712389080.

The previous prime is 131131212323. The next prime is 131131212361. The reversal of 131131212334 is 433212131131.

It is a junction number, because it is equal to n+sod(n) for n = 131131212299 and 131131212308.

It is a congruent number.

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, 1608447 + ... + 1688005.

It is an arithmetic number, because the mean of its divisors is an integer number (12828572640).

Almost surely, 2131131212334 is an apocalyptic number.

131131212334 is a deficient number, since it is larger than the sum of its proper divisors (74125949906).

131131212334 is a wasteful number, since it uses less digits than its factorization.

131131212334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115415.

The product of its digits is 1296, while the sum is 25.

Adding to 131131212334 its reverse (433212131131), we get a palindrome (564343343465).

The spelling of 131131212334 in words is "one hundred thirty-one billion, one hundred thirty-one million, two hundred twelve thousand, three hundred thirty-four".

Divisors: 1 2 23 46 35831 71662 79559 159118 824113 1648226 1829857 3659714 2850678529 5701357058 65565606167 131131212334