1313312331020 has 12 divisors (see below), whose sum is σ = 2757955895184. Its totient is φ = 525324932400.

The previous prime is 1313312331011. The next prime is 1313312331029. The reversal of 1313312331020 is 201332133131.

It is an interprime number because it is at equal distance from previous prime (1313312331011) and next prime (1313312331029).

It is not an unprimeable number, because it can be changed into a prime (1313312331029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32832808256 + ... + 32832808295.

It is an arithmetic number, because the mean of its divisors is an integer number (229829657932).

Almost surely, 2^{1313312331020} is an apocalyptic number.

1313312331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313312331020 is an abundant number, since it is smaller than the sum of its proper divisors (1444643564164).

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

1313312331020 is a wasteful number, since it uses less digits than its factorization.

1313312331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65665616560 (or 65665616558 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313312331020 its reverse (201332133131), we get a palindrome (1514644464151).

The spelling of 1313312331020 in words is "one trillion, three hundred thirteen billion, three hundred twelve million, three hundred thirty-one thousand, twenty".