1320344141 has 16 divisors (see below), whose sum is σ = 1396053120. Its totient is φ = 1246259520.

The previous prime is 1320344101. The next prime is 1320344147. The reversal of 1320344141 is 1414430231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320344141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320344147) 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 15 ways as a sum of consecutive naturals, for example, 708551 + ... + 710411.

It is an arithmetic number, because the mean of its divisors is an integer number (87253320).

Almost surely, 2^1320344141 is an apocalyptic number.

It is an amenable number.

1320344141 is a deficient number, since it is larger than the sum of its proper divisors (75708979).

1320344141 is a wasteful number, since it uses less digits than its factorization.

1320344141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1320344141 is about 36336.5400251592. The cubic root of 1320344141 is about 1097.0566328501.

Adding to 1320344141 its reverse (1414430231), we get a palindrome (2734774372).

The spelling of 1320344141 in words is "one billion, three hundred twenty million, three hundred forty-four thousand, one hundred forty-one".