2280782131 has 4 divisors (see below), whose sum is σ = 2318172064. Its totient is φ = 2243392200.

The previous prime is 2280782129. The next prime is 2280782159. The reversal of 2280782131 is 1312870822.

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

It is a cyclic number.

It is not a de Polignac number, because 2280782131 - 2¹ = 2280782129 is a prime.

It is a super-2 number, since 2×2280782131² = 10403934258177802322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2280782171) 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 3 ways as a sum of consecutive naturals, for example, 18694875 + ... + 18694996.

It is an arithmetic number, because the mean of its divisors is an integer number (579543016).

Almost surely, 2^2280782131 is an apocalyptic number.

2280782131 is a deficient number, since it is larger than the sum of its proper divisors (37389933).

2280782131 is an equidigital number, since it uses as much as digits as its factorization.

2280782131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37389932.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 2280782131 is about 47757.5348086561. The cubic root of 2280782131 is about 1316.3193553274.

The spelling of 2280782131 in words is "two billion, two hundred eighty million, seven hundred eighty-two thousand, one hundred thirty-one".