4232131987 has 2 divisors, whose sum is σ = 4232131988. Its totient is φ = 4232131986.

The previous prime is 4232131979. The next prime is 4232132033. The reversal of 4232131987 is 7891312324.

4232131987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4232131987 - 2³ = 4232131979 is a prime.

It is not a weakly prime, because it can be changed into another prime (4232131087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2116065993 + 2116065994.

It is an arithmetic number, because the mean of its divisors is an integer number (2116065994).

Almost surely, 2^4232131987 is an apocalyptic number.

4232131987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4232131987 is an equidigital number, since it uses as much as digits as its factorization.

4232131987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 4232131987 is about 65054.8383058478. The cubic root of 4232131987 is about 1617.5326952598.

The spelling of 4232131987 in words is "four billion, two hundred thirty-two million, one hundred thirty-one thousand, nine hundred eighty-seven".