203404002301313 has 8 divisors (see below), whose sum is σ = 221895595164096. Its totient is φ = 184912462759600.

The previous prime is 203404002301277. The next prime is 203404002301337. The reversal of 203404002301313 is 313103200404302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203404002301313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203404002301393) 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, 5135006 + ... + 20812887.

It is an arithmetic number, because the mean of its divisors is an integer number (27736949395512).

Almost surely, 2^{203404002301313} is an apocalyptic number.

It is an amenable number.

203404002301313 is a deficient number, since it is larger than the sum of its proper divisors (18491592862783).

203404002301313 is a wasteful number, since it uses less digits than its factorization.

203404002301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26660535.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203404002301313 its reverse (313103200404302), we get a palindrome (516507202705615).

The spelling of 203404002301313 in words is "two hundred three trillion, four hundred four billion, two million, three hundred one thousand, three hundred thirteen".