4031201987 has 2 divisors, whose sum is σ = 4031201988. Its totient is φ = 4031201986.

The previous prime is 4031201929. The next prime is 4031202011. The reversal of 4031201987 is 7891021304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4031201987 - 2⁸ = 4031201731 is a prime.

It is not a weakly prime, because it can be changed into another prime (4031201887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015600993 + 2015600994.

It is an arithmetic number, because the mean of its divisors is an integer number (2015600994).

Almost surely, 2^4031201987 is an apocalyptic number.

4031201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031201987 is an equidigital number, since it uses as much as digits as its factorization.

4031201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 4031201987 is about 63491.7473928699. The cubic root of 4031201987 is about 1591.5178716212.

The spelling of 4031201987 in words is "four billion, thirty-one million, two hundred one thousand, nine hundred eighty-seven".