205231415113 has 8 divisors (see below), whose sum is σ = 216038229920. Its totient is φ = 194425116480.

The previous prime is 205231415107. The next prime is 205231415143. The reversal of 205231415113 is 311514132502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205231415113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205231415143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895906 + ... + 1101412.

It is an arithmetic number, because the mean of its divisors is an integer number (27004778740).

Almost surely, 2^205231415113 is an apocalyptic number.

It is an amenable number.

205231415113 is a deficient number, since it is larger than the sum of its proper divisors (10806814807).

205231415113 is a wasteful number, since it uses less digits than its factorization.

205231415113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258087.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 205231415113 its reverse (311514132502), we get a palindrome (516745547615).

The spelling of 205231415113 in words is "two hundred five billion, two hundred thirty-one million, four hundred fifteen thousand, one hundred thirteen".