431124661 has 8 divisors (see below), whose sum is σ = 474975648. Its totient is φ = 388050000.

The previous prime is 431124653. The next prime is 431124667. The reversal of 431124661 is 166421134.

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 431124661 - 2³ = 431124653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431124667) 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, 192915 + ... + 195136.

It is an arithmetic number, because the mean of its divisors is an integer number (59371956).

Almost surely, 2^431124661 is an apocalyptic number.

It is an amenable number.

431124661 is a deficient number, since it is larger than the sum of its proper divisors (43850987).

431124661 is a wasteful number, since it uses less digits than its factorization.

431124661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388163.

The product of its digits is 3456, while the sum is 28.

The square root of 431124661 is about 20763.5416295005. The cubic root of 431124661 is about 755.4417022705.

Adding to 431124661 its reverse (166421134), we get a palindrome (597545795).

The spelling of 431124661 in words is "four hundred thirty-one million, one hundred twenty-four thousand, six hundred sixty-one".