1801341131 has 4 divisors (see below), whose sum is σ = 1907302392. Its totient is φ = 1695379872.

The previous prime is 1801341127. The next prime is 1801341167. The reversal of 1801341131 is 1311431081.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1801341131 - 2² = 1801341127 is a prime.

It is a super-2 number, since 2×1801341131² = 6489659740464718322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1801341097 and 1801341106.

It is not an unprimeable number, because it can be changed into a prime (1801341121) 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 in 3 ways as a sum of consecutive naturals, for example, 52980605 + ... + 52980638.

It is an arithmetic number, because the mean of its divisors is an integer number (476825598).

Almost surely, 2^1801341131 is an apocalyptic number.

1801341131 is a deficient number, since it is larger than the sum of its proper divisors (105961261).

1801341131 is a wasteful number, since it uses less digits than its factorization.

1801341131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105961260.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1801341131 is about 42442.2093086588. The cubic root of 1801341131 is about 1216.7424363229.

The spelling of 1801341131 in words is "one billion, eight hundred one million, three hundred forty-one thousand, one hundred thirty-one".