1313002221332 has 12 divisors (see below), whose sum is σ = 2297880396756. Its totient is φ = 656464965120.

The previous prime is 1313002221329. The next prime is 1313002221389. The reversal of 1313002221332 is 2331222003131.

It can be written as a sum of positive squares in 2 ways, for example, as 1216794311056 + 96207910276 = 1103084^2 + 310174^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1313002221298 and 1313002221307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8954573 + ... + 9100020.

It is an arithmetic number, because the mean of its divisors is an integer number (191490033063).

Almost surely, 2^{1313002221332} is an apocalyptic number.

It is an amenable number.

1313002221332 is a deficient number, since it is larger than the sum of its proper divisors (984878175424).

1313002221332 is a wasteful number, since it uses less digits than its factorization.

1313002221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18072778 (or 18072776 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1313002221332 its reverse (2331222003131), we get a palindrome (3644224224463).

The spelling of 1313002221332 in words is "one trillion, three hundred thirteen billion, two million, two hundred twenty-one thousand, three hundred thirty-two".