3431552521 has 4 divisors (see below), whose sum is σ = 3511356112. Its totient is φ = 3351748932.

The previous prime is 3431552519. The next prime is 3431552543. The reversal of 3431552521 is 1252551343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3431552521 - 2¹ = 3431552519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3431552921) 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, 39901731 + ... + 39901816.

It is an arithmetic number, because the mean of its divisors is an integer number (877839028).

Almost surely, 2^3431552521 is an apocalyptic number.

It is an amenable number.

3431552521 is a deficient number, since it is larger than the sum of its proper divisors (79803591).

3431552521 is an equidigital number, since it uses as much as digits as its factorization.

3431552521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79803590.

The product of its digits is 18000, while the sum is 31.

The square root of 3431552521 is about 58579.4547687156. The cubic root of 3431552521 is about 1508.3317864627.

The spelling of 3431552521 in words is "three billion, four hundred thirty-one million, five hundred fifty-two thousand, five hundred twenty-one".