205101310233 has 16 divisors (see below), whose sum is σ = 285377273856. Its totient is φ = 130780565520.

The previous prime is 205101310229. The next prime is 205101310241. The reversal of 205101310233 is 332013101502.

It is not a de Polignac number, because 205101310233 - 2² = 205101310229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205101310283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044478 + ... + 1225208.

It is an arithmetic number, because the mean of its divisors is an integer number (17836079616).

Almost surely, 2^205101310233 is an apocalyptic number.

205101310233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

205101310233 is a deficient number, since it is larger than the sum of its proper divisors (80275963623).

205101310233 is a wasteful number, since it uses less digits than its factorization.

205101310233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197204.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 205101310233 its reverse (332013101502), we get a palindrome (537114411735).

The spelling of 205101310233 in words is "two hundred five billion, one hundred one million, three hundred ten thousand, two hundred thirty-three".