200031331312011 has 4 divisors (see below), whose sum is σ = 266708441749352. Its totient is φ = 133354220874672.

The previous prime is 200031331311997. The next prime is 200031331312031. The reversal of 200031331312011 is 110213133130002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 200031331312011 - 2¹⁷ = 200031331180939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200031331312031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33338555218666 + ... + 33338555218671.

It is an arithmetic number, because the mean of its divisors is an integer number (66677110437338).

Almost surely, 2^{200031331312011} is an apocalyptic number.

200031331312011 is a deficient number, since it is larger than the sum of its proper divisors (66677110437341).

200031331312011 is an equidigital number, since it uses as much as digits as its factorization.

200031331312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66677110437340.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 200031331312011 its reverse (110213133130002), we get a palindrome (310244464442013).

The spelling of 200031331312011 in words is "two hundred trillion, thirty-one billion, three hundred thirty-one million, three hundred twelve thousand, eleven".