1802331200113 has 4 divisors (see below), whose sum is σ = 1803797703540. Its totient is φ = 1800864696688.

The previous prime is 1802331200057. The next prime is 1802331200203. The reversal of 1802331200113 is 3110021332081.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1107055395889 + 695275804224 = 1052167^2 + 833832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1802331200113 - 2¹⁷ = 1802331069041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1802331300113) 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, 733249870 + ... + 733252327.

It is an arithmetic number, because the mean of its divisors is an integer number (450949425885).

Almost surely, 2^{1802331200113} is an apocalyptic number.

It is an amenable number.

1802331200113 is a deficient number, since it is larger than the sum of its proper divisors (1466503427).

1802331200113 is a wasteful number, since it uses less digits than its factorization.

1802331200113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466503426.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1802331200113 its reverse (3110021332081), we get a palindrome (4912352532194).

The spelling of 1802331200113 in words is "one trillion, eight hundred two billion, three hundred thirty-one million, two hundred thousand, one hundred thirteen".