203134311002 has 16 divisors (see below), whose sum is σ = 351678074112. Its totient is φ = 86195605200.

The previous prime is 203134310993. The next prime is 203134311007. The reversal of 203134311002 is 200113431302.

It is not an unprimeable number, because it can be changed into a prime (203134311007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71828258 + ... + 71831085.

It is an arithmetic number, because the mean of its divisors is an integer number (21979879632).

Almost surely, 2^203134311002 is an apocalyptic number.

203134311002 is a deficient number, since it is larger than the sum of its proper divisors (148543763110).

203134311002 is a wasteful number, since it uses less digits than its factorization.

203134311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143659453.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203134311002 its reverse (200113431302), we get a palindrome (403247742304).

The spelling of 203134311002 in words is "two hundred three billion, one hundred thirty-four million, three hundred eleven thousand, two".