1320893341 has 4 divisors (see below), whose sum is σ = 1321515900. Its totient is φ = 1320270784.

The previous prime is 1320893339. The next prime is 1320893359. The reversal of 1320893341 is 1433980231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1433980231 = 379 ⋅3783589.

It can be written as a sum of positive squares in 2 ways, for example, as 381225625 + 939667716 = 19525^2 + 30654^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320893341 - 2¹ = 1320893339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320893297 and 1320893306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320893641) 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, 308086 + ... + 312343.

It is an arithmetic number, because the mean of its divisors is an integer number (330378975).

Almost surely, 2^1320893341 is an apocalyptic number.

It is an amenable number.

1320893341 is a deficient number, since it is larger than the sum of its proper divisors (622559).

1320893341 is an equidigital number, since it uses as much as digits as its factorization.

1320893341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622558.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1320893341 is about 36344.0963706625. The cubic root of 1320893341 is about 1097.2087194579.

The spelling of 1320893341 in words is "one billion, three hundred twenty million, eight hundred ninety-three thousand, three hundred forty-one".