1313203313122 has 16 divisors (see below), whose sum is σ = 1975257191160. Its totient is φ = 654784555392.

The previous prime is 1313203313117. The next prime is 1313203313137. The reversal of 1313203313122 is 2213133023131.

It can be written as a sum of positive squares in 4 ways, for example, as 1288358933481 + 24844379641 = 1135059^2 + 157621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9306448 + ... + 9446500.

Almost surely, 2^{1313203313122} is an apocalyptic number.

1313203313122 is a deficient number, since it is larger than the sum of its proper divisors (662053878038).

1313203313122 is a wasteful number, since it uses less digits than its factorization.

1313203313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152997.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1313203313122 its reverse (2213133023131), we get a palindrome (3526336336253).

The spelling of 1313203313122 in words is "one trillion, three hundred thirteen billion, two hundred three million, three hundred thirteen thousand, one hundred twenty-two".