203135605213413 has 16 divisors (see below), whose sum is σ = 272456403886656. Its totient is φ = 134620453847040.

The previous prime is 203135605213397. The next prime is 203135605213421. The reversal of 203135605213413 is 314312506531302.

It is not a de Polignac number, because 203135605213413 - 2⁴ = 203135605213397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203135605213813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147083548 + ... + 148458213.

It is an arithmetic number, because the mean of its divisors is an integer number (17028525242916).

Almost surely, 2^{203135605213413} is an apocalyptic number.

It is an amenable number.

203135605213413 is a deficient number, since it is larger than the sum of its proper divisors (69320798673243).

203135605213413 is a wasteful number, since it uses less digits than its factorization.

203135605213413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295543124.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 203135605213413 in words is "two hundred three trillion, one hundred thirty-five billion, six hundred five million, two hundred thirteen thousand, four hundred thirteen".