1232431001 has 8 divisors (see below), whose sum is σ = 1243077000. Its totient is φ = 1221816960.

The previous prime is 1232430989. The next prime is 1232431019. The reversal of 1232431001 is 1001342321.

It can be written as a sum of positive squares in 4 ways, for example, as 42250000 + 1190181001 = 6500^2 + 34499^2 .

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 1232431001 - 2⁶ = 1232430937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232431021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72965 + ... + 88253.

It is an arithmetic number, because the mean of its divisors is an integer number (155384625).

Almost surely, 2^1232431001 is an apocalyptic number.

It is an amenable number.

1232431001 is a deficient number, since it is larger than the sum of its proper divisors (10645999).

1232431001 is a wasteful number, since it uses less digits than its factorization.

1232431001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15979.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1232431001 is about 35105.9966529936. The cubic root of 1232431001 is about 1072.1466790944.

Adding to 1232431001 its reverse (1001342321), we get a palindrome (2233773322).

The spelling of 1232431001 in words is "one billion, two hundred thirty-two million, four hundred thirty-one thousand, one".