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131003021211 = 3294393430027
BaseRepresentation
bin111101000000001100…
…0110111011110011011
3110112010211022000001120
41322000120313132123
54121243233134321
6140103145220323
712315243210306
oct1720030673633
9415124260046
10131003021211
1150615876887
12214807916a3
13c47992bbca
1464aa7a1b3d
15361ae3eec6
hex1e8063779b

131003021211 has 16 divisors (see below), whose sum is σ = 181105478400. Its totient is φ = 84131677728.

The previous prime is 131003021203. The next prime is 131003021263. The reversal of 131003021211 is 112120300131.

It is a happy number.

It is not a de Polignac number, because 131003021211 - 23 = 131003021203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131003021311) 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, 1676821 + ... + 1753206.

It is an arithmetic number, because the mean of its divisors is an integer number (11319092400).

Almost surely, 2131003021211 is an apocalyptic number.

131003021211 is a deficient number, since it is larger than the sum of its proper divisors (50102457189).

131003021211 is a wasteful number, since it uses less digits than its factorization.

131003021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430498.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131003021211 its reverse (112120300131), we get a palindrome (243123321342).

The spelling of 131003021211 in words is "one hundred thirty-one billion, three million, twenty-one thousand, two hundred eleven".

Divisors: 1 3 29 87 439 1317 12731 38193 3430027 10290081 99470783 298412349 1505781853 4517345559 43667673737 131003021211