203340000401 has 2 divisors, whose sum is σ = 203340000402. Its totient is φ = 203340000400.

The previous prime is 203340000397. The next prime is 203340000407. The reversal of 203340000401 is 104000043302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129560403025 + 73779597376 = 359945^2 + 271624^2 .

It is a cyclic number.

It is not a de Polignac number, because 203340000401 - 2² = 203340000397 is a prime.

It is a super-3 number, since 3×203340000401³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203340000401.

It is not a weakly prime, because it can be changed into another prime (203340000407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101670000200 + 101670000201.

It is an arithmetic number, because the mean of its divisors is an integer number (101670000201).

Almost surely, 2^203340000401 is an apocalyptic number.

It is an amenable number.

203340000401 is a deficient number, since it is larger than the sum of its proper divisors (1).

203340000401 is an equidigital number, since it uses as much as digits as its factorization.

203340000401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 203340000401 its reverse (104000043302), we get a palindrome (307340043703).

The spelling of 203340000401 in words is "two hundred three billion, three hundred forty million, four hundred one", and thus it is an aban number.