431032001 has 2 divisors, whose sum is σ = 431032002. Its totient is φ = 431032000.

The previous prime is 431031977. The next prime is 431032033. The reversal of 431032001 is 100230134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407070976 + 23961025 = 20176^2 + 4895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431032001 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (431032061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215516000 + 215516001.

It is an arithmetic number, because the mean of its divisors is an integer number (215516001).

Almost surely, 2^431032001 is an apocalyptic number.

It is an amenable number.

431032001 is a deficient number, since it is larger than the sum of its proper divisors (1).

431032001 is an equidigital number, since it uses as much as digits as its factorization.

431032001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 431032001 is about 20761.3101946867. The cubic root of 431032001 is about 755.3875769792.

Adding to 431032001 its reverse (100230134), we get a palindrome (531262135).

The spelling of 431032001 in words is "four hundred thirty-one million, thirty-two thousand, one".