1313303002220 has 72 divisors (see below), whose sum is σ = 3031859326272. Its totient is φ = 477500348160.

The previous prime is 1313303002211. The next prime is 1313303002229. The reversal of 1313303002220 is 222003033131.

It is an interprime number because it is at equal distance from previous prime (1313303002211) and next prime (1313303002229).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1313303002192 and 1313303002201.

It is not an unprimeable number, because it can be changed into a prime (1313303002229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20239949 + ... + 20304731.

Almost surely, 2^{1313303002220} is an apocalyptic number.

1313303002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313303002220 is an abundant number, since it is smaller than the sum of its proper divisors (1718556324052).

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

1313303002220 is a wasteful number, since it uses less digits than its factorization.

1313303002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73191 (or 73178 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1313303002220 its reverse (222003033131), we get a palindrome (1535306035351).

The spelling of 1313303002220 in words is "one trillion, three hundred thirteen billion, three hundred three million, two thousand, two hundred twenty".