203134131402 has 16 divisors (see below), whose sum is σ = 406744554720. Its totient is φ = 67631995152.

The previous prime is 203134131377. The next prime is 203134131437. The reversal of 203134131402 is 204131431302.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19839952 + ... + 19850187.

It is an arithmetic number, because the mean of its divisors is an integer number (25421534670).

Almost surely, 2^203134131402 is an apocalyptic number.

203134131402 is an abundant number, since it is smaller than the sum of its proper divisors (203610423318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203134131402 is a wasteful number, since it uses less digits than its factorization.

203134131402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39690997.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 203134131402 its reverse (204131431302), we get a palindrome (407265562704).

The spelling of 203134131402 in words is "two hundred three billion, one hundred thirty-four million, one hundred thirty-one thousand, four hundred two".