203431034004 has 48 divisors (see below), whose sum is σ = 548284718016. Its totient is φ = 58019545600.

The previous prime is 203431033999. The next prime is 203431034029. The reversal of 203431034004 is 400430134302.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 45325527 + ... + 45330014.

It is an arithmetic number, because the mean of its divisors is an integer number (11422598292).

Almost surely, 2^203431034004 is an apocalyptic number.

It is an amenable number.

203431034004 is an abundant number, since it is smaller than the sum of its proper divisors (344853684012).

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

203431034004 is a wasteful number, since it uses less digits than its factorization.

203431034004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90655576 (or 90655574 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 203431034004 its reverse (400430134302), we get a palindrome (603861168306).

The spelling of 203431034004 in words is "two hundred three billion, four hundred thirty-one million, thirty-four thousand, four".