2187280341 has 40 divisors (see below), whose sum is σ = 3380770008. Its totient is φ = 1408320000.

The previous prime is 2187280339. The next prime is 2187280343. The reversal of 2187280341 is 1430827812.

It is an interprime number because it is at equal distance from previous prime (2187280339) and next prime (2187280343).

It can be written as a sum of positive squares in 4 ways, for example, as 821682225 + 1365598116 = 28665^2 + 36954^2 .

It is not a de Polignac number, because 2187280341 - 2¹ = 2187280339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2187280296 and 2187280305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187280343) 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 39 ways as a sum of consecutive naturals, for example, 332161 + ... + 338681.

Almost surely, 2^2187280341 is an apocalyptic number.

It is an amenable number.

2187280341 is a deficient number, since it is larger than the sum of its proper divisors (1193489667).

2187280341 is a wasteful number, since it uses less digits than its factorization.

2187280341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675 (or 6666 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 2187280341 is about 46768.3690222355. The cubic root of 2187280341 is about 1298.0800734155.

The spelling of 2187280341 in words is "two billion, one hundred eighty-seven million, two hundred eighty thousand, three hundred forty-one".