3431402129 has 4 divisors (see below), whose sum is σ = 3439044900. Its totient is φ = 3423759360.

The previous prime is 3431402087. The next prime is 3431402137. The reversal of 3431402129 is 9212041343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1343369104 + 2088033025 = 36652^2 + 45695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3431402129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3431402189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3820712 + ... + 3821609.

It is an arithmetic number, because the mean of its divisors is an integer number (859761225).

Almost surely, 2^3431402129 is an apocalyptic number.

It is an amenable number.

3431402129 is a deficient number, since it is larger than the sum of its proper divisors (7642771).

3431402129 is an equidigital number, since it uses as much as digits as its factorization.

3431402129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642770.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3431402129 is about 58578.1710964076. The cubic root of 3431402129 is about 1508.3097513103.

The spelling of 3431402129 in words is "three billion, four hundred thirty-one million, four hundred two thousand, one hundred twenty-nine".