203252243413 has 2 divisors, whose sum is σ = 203252243414. Its totient is φ = 203252243412.

The previous prime is 203252243393. The next prime is 203252243471. The reversal of 203252243413 is 314342252302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135465955249 + 67786288164 = 368057^2 + 260358^2 .

It is a cyclic number.

It is not a de Polignac number, because 203252243413 - 2⁹ = 203252242901 is a prime.

It is a super-2 number, since 2×203252243413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203252243113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101626121706 + 101626121707.

It is an arithmetic number, because the mean of its divisors is an integer number (101626121707).

Almost surely, 2^203252243413 is an apocalyptic number.

It is an amenable number.

203252243413 is a deficient number, since it is larger than the sum of its proper divisors (1).

203252243413 is an equidigital number, since it uses as much as digits as its factorization.

203252243413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 203252243413 its reverse (314342252302), we get a palindrome (517594495715).

The spelling of 203252243413 in words is "two hundred three billion, two hundred fifty-two million, two hundred forty-three thousand, four hundred thirteen".