3531431 has 4 divisors (see below), whose sum is σ = 3571200. Its totient is φ = 3491664.

The previous prime is 3531413. The next prime is 3531433. The reversal of 3531431 is 1341353.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3531431 - 2¹⁴ = 3515047 is a prime.

It is a super-2 number, since 2×3531431² = 24942009815522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531433) 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, 19751 + ... + 19928.

It is an arithmetic number, because the mean of its divisors is an integer number (892800).

Almost surely, 2^3531431 is an apocalyptic number.

3531431 is a deficient number, since it is larger than the sum of its proper divisors (39769).

3531431 is an equidigital number, since it uses as much as digits as its factorization.

3531431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39768.

The product of its digits is 540, while the sum is 20.

The square root of 3531431 is about 1879.2102064431. The cubic root of 3531431 is about 152.2825854652.

Adding to 3531431 its reverse (1341353), we get a palindrome (4872784).

The spelling of 3531431 in words is "three million, five hundred thirty-one thousand, four hundred thirty-one".