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131132222331211 = 196901695912169
BaseRepresentation
bin11101110100001110011001…
…100001111101100101001011
3122012022010012001002002012001
4131310032121201331211023
5114141432242404044321
61142521151123531431
736422663466552553
oct3564163141754513
9565263161062161
10131132222331211
1138867954994612
121285a377b29b77
13582293bc7541a
142454b94cc2163
1510260b3d01c91
hex77439987d94b

131132222331211 has 4 divisors (see below), whose sum is σ = 138033918243400. Its totient is φ = 124230526419024.

The previous prime is 131132222331181. The next prime is 131132222331223. The reversal of 131132222331211 is 112133222231131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131132222331211 - 27 = 131132222331083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131132222331211.

It is not an unprimeable number, because it can be changed into a prime (131132222331251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450847956066 + ... + 3450847956103.

It is an arithmetic number, because the mean of its divisors is an integer number (34508479560850).

Almost surely, 2131132222331211 is an apocalyptic number.

131132222331211 is a deficient number, since it is larger than the sum of its proper divisors (6901695912189).

131132222331211 is an equidigital number, since it uses as much as digits as its factorization.

131132222331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901695912188.

The product of its digits is 2592, while the sum is 28.

Adding to 131132222331211 its reverse (112133222231131), we get a palindrome (243265444562342).

The spelling of 131132222331211 in words is "one hundred thirty-one trillion, one hundred thirty-two billion, two hundred twenty-two million, three hundred thirty-one thousand, two hundred eleven".

Divisors: 1 19 6901695912169 131132222331211