4031261387 has 2 divisors, whose sum is σ = 4031261388. Its totient is φ = 4031261386.

The previous prime is 4031261287. The next prime is 4031261401. The reversal of 4031261387 is 7831621304.

4031261387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4031261387 - 2⁸ = 4031261131 is a prime.

It is not a weakly prime, because it can be changed into another prime (4031261287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015630693 + 2015630694.

It is an arithmetic number, because the mean of its divisors is an integer number (2015630694).

Almost surely, 2^4031261387 is an apocalyptic number.

4031261387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031261387 is an equidigital number, since it uses as much as digits as its factorization.

4031261387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 4031261387 is about 63492.2151684756. The cubic root of 4031261387 is about 1591.5256886195.

The spelling of 4031261387 in words is "four billion, thirty-one million, two hundred sixty-one thousand, three hundred eighty-seven".