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2142310321001 = 2339194464897
BaseRepresentation
bin11111001011001011101…
…001010100101101101001
321120210200021211012022202
4133023023221110231221
5240044422420233001
64320055213025545
7310530306163064
oct37131351245551
97523607735282
102142310321001
11756604365324
122a723b4852b5
131270329731c6
147598cc758db
153aad695d96b
hex1f2cba54b69

2142310321001 has 4 divisors (see below), whose sum is σ = 2151504786132. Its totient is φ = 2133115855872.

The previous prime is 2142310320989. The next prime is 2142310321087. The reversal of 2142310321001 is 1001230132412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 367084515625 + 1775225805376 = 605875^2 + 1332376^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142310321001 - 210 = 2142310319977 is a prime.

It is a super-2 number, since 2×21423103210012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142310321601) 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 in 3 ways as a sum of consecutive naturals, for example, 4597232216 + ... + 4597232681.

It is an arithmetic number, because the mean of its divisors is an integer number (537876196533).

Almost surely, 22142310321001 is an apocalyptic number.

It is an amenable number.

2142310321001 is a deficient number, since it is larger than the sum of its proper divisors (9194465131).

2142310321001 is an equidigital number, since it uses as much as digits as its factorization.

2142310321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194465130.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2142310321001 its reverse (1001230132412), we get a palindrome (3143540453413).

The spelling of 2142310321001 in words is "two trillion, one hundred forty-two billion, three hundred ten million, three hundred twenty-one thousand, one".

Divisors: 1 233 9194464897 2142310321001