203142332401 has 2 divisors, whose sum is σ = 203142332402. Its totient is φ = 203142332400.

The previous prime is 203142332311. The next prime is 203142332453. The reversal of 203142332401 is 104233241302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107754627600 + 95387704801 = 328260^2 + 308849^2 .

It is a cyclic number.

It is not a de Polignac number, because 203142332401 - 2¹¹ = 203142330353 is a prime.

It is not a weakly prime, because it can be changed into another prime (203142332501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101571166200 + 101571166201.

It is an arithmetic number, because the mean of its divisors is an integer number (101571166201).

Almost surely, 2^203142332401 is an apocalyptic number.

It is an amenable number.

203142332401 is a deficient number, since it is larger than the sum of its proper divisors (1).

203142332401 is an equidigital number, since it uses as much as digits as its factorization.

203142332401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203142332401 its reverse (104233241302), we get a palindrome (307375573703).

The spelling of 203142332401 in words is "two hundred three billion, one hundred forty-two million, three hundred thirty-two thousand, four hundred one".