10204781313 has 8 divisors (see below), whose sum is σ = 13778608000. Its totient is φ = 6717071088.

The previous prime is 10204781309. The next prime is 10204781357. The reversal of 10204781313 is 31318740201.

10204781313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10204781313 - 2² = 10204781309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10204781303) 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, 21528838 + ... + 21529311.

It is an arithmetic number, because the mean of its divisors is an integer number (1722326000).

Almost surely, 2^10204781313 is an apocalyptic number.

It is an amenable number.

10204781313 is a deficient number, since it is larger than the sum of its proper divisors (3573826687).

10204781313 is an equidigital number, since it uses as much as digits as its factorization.

10204781313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43058231.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 10204781313 in words is "ten billion, two hundred four million, seven hundred eighty-one thousand, three hundred thirteen".