200231311233 has 4 divisors (see below), whose sum is σ = 266975081648. Its totient is φ = 133487540820.

The previous prime is 200231311219. The next prime is 200231311237. The reversal of 200231311233 is 332113132002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 200231311233 - 2⁵ = 200231311201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200231311237) 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, 33371885203 + ... + 33371885208.

It is an arithmetic number, because the mean of its divisors is an integer number (66743770412).

Almost surely, 2^200231311233 is an apocalyptic number.

It is an amenable number.

200231311233 is a deficient number, since it is larger than the sum of its proper divisors (66743770415).

200231311233 is an equidigital number, since it uses as much as digits as its factorization.

200231311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66743770414.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 200231311233 its reverse (332113132002), we get a palindrome (532344443235).

The spelling of 200231311233 in words is "two hundred billion, two hundred thirty-one million, three hundred eleven thousand, two hundred thirty-three".