1313002131321 has 8 divisors (see below), whose sum is σ = 1771761912480. Its totient is φ = 864788552192.

The previous prime is 1313002131281. The next prime is 1313002131373. The reversal of 1313002131321 is 1231312003131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313002131321 - 2¹³ = 1313002123129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313002131121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636550216 + ... + 2636550713.

It is an arithmetic number, because the mean of its divisors is an integer number (221470239060).

Almost surely, 2^{1313002131321} is an apocalyptic number.

It is an amenable number.

1313002131321 is a deficient number, since it is larger than the sum of its proper divisors (458759781159).

1313002131321 is an equidigital number, since it uses as much as digits as its factorization.

1313002131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273101015.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313002131321 its reverse (1231312003131), we get a palindrome (2544314134452).

The spelling of 1313002131321 in words is "one trillion, three hundred thirteen billion, two million, one hundred thirty-one thousand, three hundred twenty-one".