203143204261011 has 8 divisors (see below), whose sum is σ = 309551549350144. Its totient is φ = 116081831006280.

The previous prime is 203143204260989. The next prime is 203143204261021. The reversal of 203143204261011 is 110162402341302.

203143204261011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 203143204261011 - 2⁵ = 203143204260979 is a prime.

It is a super-2 number, since 2×203143204261011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203143204261011.

It is not an unprimeable number, because it can be changed into a prime (203143204261021) 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, 4836742958575 + ... + 4836742958616.

It is an arithmetic number, because the mean of its divisors is an integer number (38693943668768).

Almost surely, 2^{203143204261011} is an apocalyptic number.

203143204261011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

203143204261011 is a deficient number, since it is larger than the sum of its proper divisors (106408345089133).

203143204261011 is an equidigital number, since it uses as much as digits as its factorization.

203143204261011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673485917201.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 203143204261011 in words is "two hundred three trillion, one hundred forty-three billion, two hundred four million, two hundred sixty-one thousand, eleven".