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2130131001230 = 25213013100123
BaseRepresentation
bin11110111111110101101…
…100111001111110001110
321112122020111021122111022
4132333311230321332032
5234400002014014410
64310322455554142
7306616426523141
oct36776554717616
97478214248438
102130131001230
117514244660a1
122a4a0068b952
13125b4161530b
14751554da058
153a6225bb455
hex1eff5b39f8e

2130131001230 has 8 divisors (see below), whose sum is σ = 3834235802232. Its totient is φ = 852052400488.

The previous prime is 2130131001181. The next prime is 2130131001239. The reversal of 2130131001230 is 321001310312.

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

It is a super-2 number, since 2×21301310012302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2130131001199 and 2130131001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130131001239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106506550052 + ... + 106506550071.

It is an arithmetic number, because the mean of its divisors is an integer number (479279475279).

Almost surely, 22130131001230 is an apocalyptic number.

2130131001230 is a deficient number, since it is larger than the sum of its proper divisors (1704104801002).

2130131001230 is a wasteful number, since it uses less digits than its factorization.

2130131001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213013100130.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2130131001230 its reverse (321001310312), we get a palindrome (2451132311542).

The spelling of 2130131001230 in words is "two trillion, one hundred thirty billion, one hundred thirty-one million, one thousand, two hundred thirty".

Divisors: 1 2 5 10 213013100123 426026200246 1065065500615 2130131001230