203251513343 has 2 divisors, whose sum is σ = 203251513344. Its totient is φ = 203251513342.

The previous prime is 203251513331. The next prime is 203251513373. The reversal of 203251513343 is 343315152302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203251513343 - 2¹⁶ = 203251447807 is a prime.

It is a super-2 number, since 2×203251513343² (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 (203251513373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101625756671 + 101625756672.

It is an arithmetic number, because the mean of its divisors is an integer number (101625756672).

Almost surely, 2^203251513343 is an apocalyptic number.

203251513343 is a deficient number, since it is larger than the sum of its proper divisors (1).

203251513343 is an equidigital number, since it uses as much as digits as its factorization.

203251513343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 203251513343 its reverse (343315152302), we get a palindrome (546566665645).

The spelling of 203251513343 in words is "two hundred three billion, two hundred fifty-one million, five hundred thirteen thousand, three hundred forty-three".