203135464063 has 16 divisors (see below), whose sum is σ = 234603248704. Its totient is φ = 172288995840.

The previous prime is 203135464043. The next prime is 203135464073. The reversal of 203135464063 is 360464531302.

It is a cyclic number.

It is not a de Polignac number, because 203135464063 - 2⁹ = 203135463551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203135464043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118620 + ... + 648337.

It is an arithmetic number, because the mean of its divisors is an integer number (14662703044).

Almost surely, 2^203135464063 is an apocalyptic number.

203135464063 is a deficient number, since it is larger than the sum of its proper divisors (31467784641).

203135464063 is a wasteful number, since it uses less digits than its factorization.

203135464063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767362.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 203135464063 its reverse (360464531302), we get a palindrome (563599995365).

The spelling of 203135464063 in words is "two hundred three billion, one hundred thirty-five million, four hundred sixty-four thousand, sixty-three".