1313221002 has 8 divisors (see below), whose sum is σ = 2626442016. Its totient is φ = 437740332.

The previous prime is 1313220973. The next prime is 1313221027. The reversal of 1313221002 is 2001223131.

It is a sphenic number, since it is the product of 3 distinct primes.

1313221002 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109435078 + ... + 109435089.

It is an arithmetic number, because the mean of its divisors is an integer number (328305252).

Almost surely, 2^1313221002 is an apocalyptic number.

1313221002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313221002 is a wasteful number, since it uses less digits than its factorization.

1313221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218870172.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1313221002 is about 36238.3912722405. The cubic root of 1313221002 is about 1095.0802334821.

Adding to 1313221002 its reverse (2001223131), we get a palindrome (3314444133).

The spelling of 1313221002 in words is "one billion, three hundred thirteen million, two hundred twenty-one thousand, two".