200031111011231 has 24 divisors (see below), whose sum is σ = 203565844984320. Its totient is φ = 196555086117936.

The previous prime is 200031111011227. The next prime is 200031111011279. The reversal of 200031111011231 is 132110111130002.

It is not a de Polignac number, because 200031111011231 - 2² = 200031111011227 is a prime.

It is a super-2 number, since 2×200031111011231² (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 (200031111011131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1104522770 + ... + 1104703856.

It is an arithmetic number, because the mean of its divisors is an integer number (8481910207680).

Almost surely, 2^{200031111011231} is an apocalyptic number.

200031111011231 is a deficient number, since it is larger than the sum of its proper divisors (3534733973089).

200031111011231 is an equidigital number, since it uses as much as digits as its factorization.

200031111011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182091 (or 182012 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 200031111011231 its reverse (132110111130002), we get a palindrome (332141222141233).

The spelling of 200031111011231 in words is "two hundred trillion, thirty-one billion, one hundred eleven million, eleven thousand, two hundred thirty-one".