203040535231303 has 32 divisors (see below), whose sum is σ = 268039295907840. Its totient is φ = 148902746549760.

The previous prime is 203040535231301. The next prime is 203040535231327. The reversal of 203040535231303 is 303132535040302.

It is not a de Polignac number, because 203040535231303 - 2¹ = 203040535231301 is a prime.

It is a super-2 number, since 2×203040535231303² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203040535231301) 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, 47282578 + ... + 51397696.

It is an arithmetic number, because the mean of its divisors is an integer number (8376227997120).

Almost surely, 2^{203040535231303} is an apocalyptic number.

203040535231303 is a deficient number, since it is larger than the sum of its proper divisors (64998760676537).

203040535231303 is a wasteful number, since it uses less digits than its factorization.

203040535231303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152847.

The product of its (nonzero) digits is 97200, while the sum is 34.

The spelling of 203040535231303 in words is "two hundred three trillion, forty billion, five hundred thirty-five million, two hundred thirty-one thousand, three hundred three".