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20130131167 is a prime number
BaseRepresentation
bin10010101111110110…
…010110110011011111
31220221220101121122121
4102233312112303133
5312211303144132
613125254323411
71311562202026
oct225766266337
956856347577
1020130131167
11859aa30543
123a99659567
131b8a63b023
14d8d6bb8bd
157cc3c3497
hex4afd96cdf

20130131167 has 2 divisors, whose sum is σ = 20130131168. Its totient is φ = 20130131166.

The previous prime is 20130131149. The next prime is 20130131213. The reversal of 20130131167 is 76113103102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20130131167 - 215 = 20130098399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130131867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065065583 + 10065065584.

It is an arithmetic number, because the mean of its divisors is an integer number (10065065584).

Almost surely, 220130131167 is an apocalyptic number.

20130131167 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130131167 is an equidigital number, since it uses as much as digits as its factorization.

20130131167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 20130131167 its reverse (76113103102), we get a palindrome (96243234269).

The spelling of 20130131167 in words is "twenty billion, one hundred thirty million, one hundred thirty-one thousand, one hundred sixty-seven".