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2131302221101 = 73179163105703
BaseRepresentation
bin11111000000111011100…
…000110000010100101101
321112202021010010210010001
4133000323200300110231
5234404401332033401
64311035015144301
7306660440653264
oct37007340602455
97482233123101
102131302221101
117519755a49a9
122a5088975091
13125c9a170b21
1475226c975db
153a69031e601
hex1f03b83052d

2131302221101 has 8 divisors (see below), whose sum is σ = 2172567977280. Its totient is φ = 2090362676832.

The previous prime is 2131302221099. The next prime is 2131302221107. The reversal of 2131302221101 is 1011222031312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131302221101 - 21 = 2131302221099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131302221107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81539785 + ... + 81565918.

It is an arithmetic number, because the mean of its divisors is an integer number (271570997160).

Almost surely, 22131302221101 is an apocalyptic number.

It is an amenable number.

2131302221101 is a deficient number, since it is larger than the sum of its proper divisors (41265756179).

2131302221101 is a wasteful number, since it uses less digits than its factorization.

2131302221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163105955.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2131302221101 its reverse (1011222031312), we get a palindrome (3142524252413).

The spelling of 2131302221101 in words is "two trillion, one hundred thirty-one billion, three hundred two million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 73 179 13067 163105703 11906716319 29195920837 2131302221101