1313122221302 has 64 divisors (see below), whose sum is σ = 2243621928960. Its totient is φ = 572552064000.

The previous prime is 1313122221289. The next prime is 1313122221329. The reversal of 1313122221302 is 2031222213131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44647802 + ... + 44677202.

It is an arithmetic number, because the mean of its divisors is an integer number (35056592640).

Almost surely, 2^{1313122221302} is an apocalyptic number.

1313122221302 is a deficient number, since it is larger than the sum of its proper divisors (930499707658).

1313122221302 is a wasteful number, since it uses less digits than its factorization.

1313122221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30957.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1313122221302 its reverse (2031222213131), we get a palindrome (3344344434433).

The spelling of 1313122221302 in words is "one trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred two".