204402131313 has 8 divisors (see below), whose sum is σ = 272546026368. Its totient is φ = 136263161904.

The previous prime is 204402131281. The next prime is 204402131333. The reversal of 204402131313 is 313131204402.

It is a happy number.

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

It is not a de Polignac number, because 204402131313 - 2⁵ = 204402131281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204402131333) 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, 1133470 + ... + 1301367.

It is an arithmetic number, because the mean of its divisors is an integer number (34068253296).

Almost surely, 2^204402131313 is an apocalyptic number.

It is an amenable number.

204402131313 is a deficient number, since it is larger than the sum of its proper divisors (68143895055).

204402131313 is a wasteful number, since it uses less digits than its factorization.

204402131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462823.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 204402131313 its reverse (313131204402), we get a palindrome (517533335715).

The spelling of 204402131313 in words is "two hundred four billion, four hundred two million, one hundred thirty-one thousand, three hundred thirteen".