203231002011 has 8 divisors (see below), whose sum is σ = 270982864464. Its totient is φ = 135483237120.

The previous prime is 203231001959. The next prime is 203231002019. The reversal of 203231002011 is 110200132302.

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

It is not a de Polignac number, because 203231002011 - 2¹⁵ = 203230969243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203231002019) 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, 906730 + ... + 1108431.

It is an arithmetic number, because the mean of its divisors is an integer number (33872858058).

Almost surely, 2^203231002011 is an apocalyptic number.

203231002011 is a deficient number, since it is larger than the sum of its proper divisors (67751862453).

203231002011 is a wasteful number, since it uses less digits than its factorization.

203231002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048781.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203231002011 its reverse (110200132302), we get a palindrome (313431134313).

The spelling of 203231002011 in words is "two hundred three billion, two hundred thirty-one million, two thousand, eleven".