1840811313 has 8 divisors (see below), whose sum is σ = 2677543776. Its totient is φ = 1115643200.

The previous prime is 1840811303. The next prime is 1840811321. The reversal of 1840811313 is 3131180481.

1840811313 is digitally balanced in base 4, 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 a cyclic number.

It is not a de Polignac number, because 1840811313 - 2⁵ = 1840811281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1840811303) 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, 27891048 + ... + 27891113.

It is an arithmetic number, because the mean of its divisors is an integer number (334692972).

Almost surely, 2^1840811313 is an apocalyptic number.

It is an amenable number.

1840811313 is a deficient number, since it is larger than the sum of its proper divisors (836732463).

1840811313 is a wasteful number, since it uses less digits than its factorization.

1840811313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55782175.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1840811313 is about 42904.6770527410. The cubic root of 1840811313 is about 1225.5652120032.

Adding to 1840811313 its reverse (3131180481), we get a palindrome (4971991794).

The spelling of 1840811313 in words is "one billion, eight hundred forty million, eight hundred eleven thousand, three hundred thirteen".