1324131251345 has 32 divisors (see below), whose sum is σ = 1848466625280. Its totient is φ = 891821352960.

The previous prime is 1324131251299. The next prime is 1324131251347. The reversal of 1324131251345 is 5431521314231.

It is not a de Polignac number, because 1324131251345 - 2¹⁴ = 1324131234961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1324131251347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459455 + ... + 1690964.

It is an arithmetic number, because the mean of its divisors is an integer number (57764582040).

Almost surely, 2^{1324131251345} is an apocalyptic number.

It is an amenable number.

1324131251345 is a deficient number, since it is larger than the sum of its proper divisors (524335373935).

1324131251345 is a wasteful number, since it uses less digits than its factorization.

1324131251345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150745.

The product of its digits is 43200, while the sum is 35.

Adding to 1324131251345 its reverse (5431521314231), we get a palindrome (6755652565576).

The spelling of 1324131251345 in words is "one trillion, three hundred twenty-four billion, one hundred thirty-one million, two hundred fifty-one thousand, three hundred forty-five".