1320341303429 has 4 divisors (see below), whose sum is σ = 1320347180076. Its totient is φ = 1320335426784.

The previous prime is 1320341303389. The next prime is 1320341303453. The reversal of 1320341303429 is 9243031430231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 147014730625 + 1173326572804 = 383425^2 + 1083202^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320341303429 - 2³² = 1316046336133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320341303459) 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, 2587334 + ... + 3055319.

It is an arithmetic number, because the mean of its divisors is an integer number (330086795019).

Almost surely, 2^{1320341303429} is an apocalyptic number.

It is an amenable number.

1320341303429 is a deficient number, since it is larger than the sum of its proper divisors (5876647).

1320341303429 is an equidigital number, since it uses as much as digits as its factorization.

1320341303429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876646.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 1320341303429 in words is "one trillion, three hundred twenty billion, three hundred forty-one million, three hundred three thousand, four hundred twenty-nine".