331434001 has 2 divisors, whose sum is σ = 331434002. Its totient is φ = 331434000.

The previous prime is 331433959. The next prime is 331434007. The reversal of 331434001 is 100434133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331203601 + 230400 = 18199^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 331434001 - 2¹⁷ = 331302929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331434001.

It is not a weakly prime, because it can be changed into another prime (331434007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165717000 + 165717001.

It is an arithmetic number, because the mean of its divisors is an integer number (165717001).

Almost surely, 2^331434001 is an apocalyptic number.

It is an amenable number.

331434001 is a deficient number, since it is larger than the sum of its proper divisors (1).

331434001 is an equidigital number, since it uses as much as digits as its factorization.

331434001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 331434001 is about 18205.3289176549. The cubic root of 331434001 is about 692.0418416401.

Adding to 331434001 its reverse (100434133), we get a palindrome (431868134).

The spelling of 331434001 in words is "three hundred thirty-one million, four hundred thirty-four thousand, one".