1324431135013 has 6 divisors (see below), whose sum is σ = 1540664789766. Its totient is φ = 1135226687112.

The previous prime is 1324431135007. The next prime is 1324431135023. The reversal of 1324431135013 is 3105311344231.

It can be written as a sum of positive squares in only one way, i.e., 1323792915844 + 638219169 = 1150562^2 + 25263^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1324431135013 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 (1324431135023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13514603370 + ... + 13514603467.

It is an arithmetic number, because the mean of its divisors is an integer number (256777464961).

Almost surely, 2^{1324431135013} is an apocalyptic number.

It is an amenable number.

1324431135013 is a deficient number, since it is larger than the sum of its proper divisors (216233654753).

1324431135013 is an equidigital number, since it uses as much as digits as its factorization.

1324431135013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27029206851 (or 27029206844 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 1324431135013 its reverse (3105311344231), we get a palindrome (4429742479244).

The spelling of 1324431135013 in words is "one trillion, three hundred twenty-four billion, four hundred thirty-one million, one hundred thirty-five thousand, thirteen".