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2130244131 = 34491581473
BaseRepresentation
bin111111011111000…
…1111001000100011
312111110102121120210
41332332033020203
513330320303011
6551214305203
7103534530201
oct17676171043
95443377523
102130244131
119a3515a44
124b54b8203
1327c449cb2
14162cc0071
15c703d6a6
hex7ef8f223

2130244131 has 8 divisors (see below), whose sum is σ = 2846653200. Its totient is φ = 1416998912.

The previous prime is 2130244111. The next prime is 2130244133. The reversal of 2130244131 is 1314420312.

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 2130244131 - 27 = 2130244003 is a prime.

It is a super-2 number, since 2×21302441312 = 9075880115319890322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2130244098 and 2130244107.

It is not an unprimeable number, because it can be changed into a prime (2130244133) 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, 789390 + ... + 792083.

It is an arithmetic number, because the mean of its divisors is an integer number (355831650).

Almost surely, 22130244131 is an apocalyptic number.

2130244131 is a deficient number, since it is larger than the sum of its proper divisors (716409069).

2130244131 is a wasteful number, since it uses less digits than its factorization.

2130244131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581925.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2130244131 is about 46154.5678237810. The cubic root of 2130244131 is about 1286.6975059575.

Adding to 2130244131 its reverse (1314420312), we get a palindrome (3444664443).

The spelling of 2130244131 in words is "two billion, one hundred thirty million, two hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 3 449 1347 1581473 4744419 710081377 2130244131