1313220013202 has 4 divisors (see below), whose sum is σ = 1969830019806. Its totient is φ = 656610006600.

The previous prime is 1313220013187. The next prime is 1313220013211. The reversal of 1313220013202 is 2023100223131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1281471544441 + 31748468761 = 1132021^2 + 178181^2 .

It is a super-2 number, since 2×1313220013202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328305003299 + ... + 328305003302.

Almost surely, 2^{1313220013202} is an apocalyptic number.

1313220013202 is a deficient number, since it is larger than the sum of its proper divisors (656610006604).

1313220013202 is an equidigital number, since it uses as much as digits as its factorization.

1313220013202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656610006603.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1313220013202 its reverse (2023100223131), we get a palindrome (3336320236333).

The spelling of 1313220013202 in words is "one trillion, three hundred thirteen billion, two hundred twenty million, thirteen thousand, two hundred two".