203404131413243 has 8 divisors (see below), whose sum is σ = 214119192738000. Its totient is φ = 192690028160928.

The previous prime is 203404131413201. The next prime is 203404131413251. The reversal of 203404131413243 is 342314131404302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203404131413243 - 2⁶ = 203404131413179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203404131413293) 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, 239082296 + ... + 239931557.

It is an arithmetic number, because the mean of its divisors is an integer number (26764899092250).

Almost surely, 2^{203404131413243} is an apocalyptic number.

203404131413243 is a deficient number, since it is larger than the sum of its proper divisors (10715061324757).

203404131413243 is a wasteful number, since it uses less digits than its factorization.

203404131413243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479036221.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 203404131413243 its reverse (342314131404302), we get a palindrome (545718262817545).

The spelling of 203404131413243 in words is "two hundred three trillion, four hundred four billion, one hundred thirty-one million, four hundred thirteen thousand, two hundred forty-three".