431131452 has 24 divisors (see below), whose sum is σ = 1006424832. Its totient is φ = 143646000.

The previous prime is 431131439. The next prime is 431131453. The reversal of 431131452 is 254131134.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431131453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25327 + ... + 38777.

It is an arithmetic number, because the mean of its divisors is an integer number (41934368).

Almost surely, 2^431131452 is an apocalyptic number.

It is an amenable number.

431131452 is an abundant number, since it is smaller than the sum of its proper divisors (575293380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431131452 is a wasteful number, since it uses less digits than its factorization.

431131452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16129 (or 16127 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 431131452 is about 20763.7051606884. The cubic root of 431131452 is about 755.4456687781.

Adding to 431131452 its reverse (254131134), we get a palindrome (685262586).

The spelling of 431131452 in words is "four hundred thirty-one million, one hundred thirty-one thousand, four hundred fifty-two".