1313313223232 has 14 divisors (see below), whose sum is σ = 2606105927478. Its totient is φ = 656656611584.

The previous prime is 1313313223213. The next prime is 1313313223291. The reversal of 1313313223232 is 2323223133131.

It can be written as a sum of positive squares in only one way, i.e., 1002689806336 + 310623416896 = 1001344^2 + 557336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1313313223195 and 1313313223204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10260259493 + ... + 10260259620.

Almost surely, 2^{1313313223232} is an apocalyptic number.

It is an amenable number.

1313313223232 is a deficient number, since it is larger than the sum of its proper divisors (1292792704246).

1313313223232 is an equidigital number, since it uses as much as digits as its factorization.

1313313223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20520519125 (or 20520519115 counting only the distinct ones).

The product of its digits is 11664, while the sum is 29.

Adding to 1313313223232 its reverse (2323223133131), we get a palindrome (3636536356363).

The spelling of 1313313223232 in words is "one trillion, three hundred thirteen billion, three hundred thirteen million, two hundred twenty-three thousand, two hundred thirty-two".