2381487311 has 16 divisors (see below), whose sum is σ = 2759485440. Its totient is φ = 2012999040.

The previous prime is 2381487307. The next prime is 2381487343. The reversal of 2381487311 is 1137841832.

It is a cyclic number.

It is not a de Polignac number, because 2381487311 - 2² = 2381487307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381487011) 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 15 ways as a sum of consecutive naturals, for example, 568055 + ... + 572231.

It is an arithmetic number, because the mean of its divisors is an integer number (172467840).

Almost surely, 2^2381487311 is an apocalyptic number.

2381487311 is a deficient number, since it is larger than the sum of its proper divisors (377998129).

2381487311 is a wasteful number, since it uses less digits than its factorization.

2381487311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294.

The product of its digits is 32256, while the sum is 38.

The square root of 2381487311 is about 48800.4847414449. The cubic root of 2381487311 is about 1335.4145095404.

The spelling of 2381487311 in words is "two billion, three hundred eighty-one million, four hundred eighty-seven thousand, three hundred eleven".