2231434531 has 8 divisors (see below), whose sum is σ = 2266211520. Its totient is φ = 2196700968.

The previous prime is 2231434523. The next prime is 2231434549. The reversal of 2231434531 is 1354341322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231434531 - 2³ = 2231434523 is a prime.

It is a super-3 number, since 3×2231434531³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231434531.

It is not an unprimeable number, because it can be changed into a prime (2231434571) 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 7 ways as a sum of consecutive naturals, for example, 101700 + ... + 121678.

It is an arithmetic number, because the mean of its divisors is an integer number (283276440).

Almost surely, 2^2231434531 is an apocalyptic number.

2231434531 is a deficient number, since it is larger than the sum of its proper divisors (34776989).

2231434531 is a wasteful number, since it uses less digits than its factorization.

2231434531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21713.

The product of its digits is 8640, while the sum is 28.

The square root of 2231434531 is about 47238.0623120805. The cubic root of 2231434531 is about 1306.7566427771.

Adding to 2231434531 its reverse (1354341322), we get a palindrome (3585775853).

The spelling of 2231434531 in words is "two billion, two hundred thirty-one million, four hundred thirty-four thousand, five hundred thirty-one".