2031340087 has 16 divisors (see below), whose sum is σ = 2372958720. Its totient is φ = 1702880928.

The previous prime is 2031340057. The next prime is 2031340099. The reversal of 2031340087 is 7800431302.

It is not a de Polignac number, because 2031340087 - 2¹⁵ = 2031307319 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 (2031340057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68878 + ... + 93844.

It is an arithmetic number, because the mean of its divisors is an integer number (148309920).

Almost surely, 2^2031340087 is an apocalyptic number.

2031340087 is a deficient number, since it is larger than the sum of its proper divisors (341618633).

2031340087 is a wasteful number, since it uses less digits than its factorization.

2031340087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25230.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2031340087 is about 45070.3903577504. The cubic root of 2031340087 is about 1266.4679770607.

Adding to 2031340087 its reverse (7800431302), we get a palindrome (9831771389).

The spelling of 2031340087 in words is "two billion, thirty-one million, three hundred forty thousand, eighty-seven".