1801344113 has 2 divisors, whose sum is σ = 1801344114. Its totient is φ = 1801344112.

The previous prime is 1801344101. The next prime is 1801344119. The reversal of 1801344113 is 3114431081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1527871744 + 273472369 = 39088^2 + 16537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1801344113 - 2⁶ = 1801344049 is a prime.

It is a super-2 number, since 2×1801344113² = 6489681226879513538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1801344119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 900672056 + 900672057.

It is an arithmetic number, because the mean of its divisors is an integer number (900672057).

Almost surely, 2^1801344113 is an apocalyptic number.

It is an amenable number.

1801344113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1801344113 is an equidigital number, since it uses as much as digits as its factorization.

1801344113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1801344113 is about 42442.2444387664. The cubic root of 1801344113 is about 1216.7431077345.

Adding to 1801344113 its reverse (3114431081), we get a palindrome (4915775194).

It can be divided in two parts, 18013 and 44113, that added together give a palindrome (62126).

The spelling of 1801344113 in words is "one billion, eight hundred one million, three hundred forty-four thousand, one hundred thirteen".