1313130132321 has 24 divisors (see below), whose sum is σ = 2036745607104. Its totient is φ = 750340190880.

The previous prime is 1313130132299. The next prime is 1313130132329. The reversal of 1313130132321 is 1232310313131.

It is not a de Polignac number, because 1313130132321 - 2⁶ = 1313130132257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313130132291 and 1313130132300.

It is not an unprimeable number, because it can be changed into a prime (1313130132329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6830511 + ... + 7020123.

It is an arithmetic number, because the mean of its divisors is an integer number (84864400296).

Almost surely, 2^{1313130132321} is an apocalyptic number.

It is an amenable number.

1313130132321 is a deficient number, since it is larger than the sum of its proper divisors (723615474783).

1313130132321 is a wasteful number, since it uses less digits than its factorization.

1313130132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236741 (or 236734 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1313130132321 its reverse (1232310313131), we get a palindrome (2545440445452).

The spelling of 1313130132321 in words is "one trillion, three hundred thirteen billion, one hundred thirty million, one hundred thirty-two thousand, three hundred twenty-one".