204110431313131 has 4 divisors (see below), whose sum is σ = 233269064357872. Its totient is φ = 174951798268392.

The previous prime is 204110431313111. The next prime is 204110431313137. The reversal of 204110431313131 is 131313134011402.

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

It is a cyclic number.

It is not a de Polignac number, because 204110431313131 - 2²⁵ = 204110397758699 is a prime.

It is a super-2 number, since 2×204110431313131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204110431313131.

It is not an unprimeable number, because it can be changed into a prime (204110431313137) 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, 14579316522360 + ... + 14579316522373.

It is an arithmetic number, because the mean of its divisors is an integer number (58317266089468).

Almost surely, 2^{204110431313131} is an apocalyptic number.

204110431313131 is a deficient number, since it is larger than the sum of its proper divisors (29158633044741).

204110431313131 is an equidigital number, since it uses as much as digits as its factorization.

204110431313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29158633044740.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 204110431313131 its reverse (131313134011402), we get a palindrome (335423565324533).

The spelling of 204110431313131 in words is "two hundred four trillion, one hundred ten billion, four hundred thirty-one million, three hundred thirteen thousand, one hundred thirty-one".