1313232022320 has 80 divisors (see below), whose sum is σ = 4181046845280. Its totient is φ = 340730468352.

The previous prime is 1313232022253. The next prime is 1313232022337. The reversal of 1313232022320 is 232202323131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 73934365 + ... + 73952124.

It is an arithmetic number, because the mean of its divisors is an integer number (52263085566).

Almost surely, 2^{1313232022320} is an apocalyptic number.

1313232022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313232022320 is an abundant number, since it is smaller than the sum of its proper divisors (2867814822960).

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

1313232022320 is a wasteful number, since it uses less digits than its factorization.

1313232022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147886542 (or 147886536 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1313232022320 its reverse (232202323131), we get a palindrome (1545434345451).

The spelling of 1313232022320 in words is "one trillion, three hundred thirteen billion, two hundred thirty-two million, twenty-two thousand, three hundred twenty".