3214231687 has 2 divisors, whose sum is σ = 3214231688. Its totient is φ = 3214231686.

The previous prime is 3214231681. The next prime is 3214231721. The reversal of 3214231687 is 7861324123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3214231687 - 2³ = 3214231679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3214231681) 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 as a sum of consecutive naturals, namely, 1607115843 + 1607115844.

It is an arithmetic number, because the mean of its divisors is an integer number (1607115844).

Almost surely, 2^3214231687 is an apocalyptic number.

3214231687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3214231687 is an equidigital number, since it uses as much as digits as its factorization.

3214231687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 3214231687 is about 56694.1944735085. The cubic root of 3214231687 is about 1475.7939514946.

The spelling of 3214231687 in words is "three billion, two hundred fourteen million, two hundred thirty-one thousand, six hundred eighty-seven".