200431231011 has 48 divisors (see below), whose sum is σ = 337261317120. Its totient is φ = 113501304000.

The previous prime is 200431230991. The next prime is 200431231079. The reversal of 200431231011 is 110132134002.

200431231011 is a `hidden beast` number, since 2 + 0 + 0 + 431 + 231 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 200431231011 - 2⁹ = 200431230499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200431231081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1037005 + ... + 1215006.

It is an arithmetic number, because the mean of its divisors is an integer number (7026277440).

Almost surely, 2^200431231011 is an apocalyptic number.

200431231011 is a deficient number, since it is larger than the sum of its proper divisors (136830086109).

200431231011 is a wasteful number, since it uses less digits than its factorization.

200431231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252088 (or 2252085 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 200431231011 its reverse (110132134002), we get a palindrome (310563365013).

The spelling of 200431231011 in words is "two hundred billion, four hundred thirty-one million, two hundred thirty-one thousand, eleven".