203145362442113 has 32 divisors (see below), whose sum is σ = 254273521689600. Its totient is φ = 157999473965376.

The previous prime is 203145362442101. The next prime is 203145362442179. The reversal of 203145362442113 is 311244263541302.

It is a cyclic number.

It is not a de Polignac number, because 203145362442113 - 2¹² = 203145362438017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203145362442413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128170370 + ... + 129745652.

It is an arithmetic number, because the mean of its divisors is an integer number (7946047552800).

Almost surely, 2^{203145362442113} is an apocalyptic number.

It is an amenable number.

203145362442113 is a deficient number, since it is larger than the sum of its proper divisors (51128159247487).

203145362442113 is a wasteful number, since it uses less digits than its factorization.

203145362442113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599381.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 203145362442113 in words is "two hundred three trillion, one hundred forty-five billion, three hundred sixty-two million, four hundred forty-two thousand, one hundred thirteen".