2031683887 has 2 divisors, whose sum is σ = 2031683888. Its totient is φ = 2031683886.

The previous prime is 2031683879. The next prime is 2031683891. The reversal of 2031683887 is 7883861302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031683887 - 2³ = 2031683879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031683807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015841943 + 1015841944.

It is an arithmetic number, because the mean of its divisors is an integer number (1015841944).

Almost surely, 2^2031683887 is an apocalyptic number.

2031683887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031683887 is an equidigital number, since it uses as much as digits as its factorization.

2031683887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 2031683887 is about 45074.2042303577. The cubic root of 2031683887 is about 1266.5394220363.

The spelling of 2031683887 in words is "two billion, thirty-one million, six hundred eighty-three thousand, eight hundred eighty-seven".