1310303322020 has 96 divisors (see below), whose sum is σ = 3434016418560. Its totient is φ = 408000983040.

The previous prime is 1310303321939. The next prime is 1310303322037. The reversal of 1310303322020 is 202233030131.

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 = 1310303321983 and 1310303322001.

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, 1132232 + ... + 1975488.

It is an arithmetic number, because the mean of its divisors is an integer number (35771004360).

Almost surely, 2^{1310303322020} is an apocalyptic number.

1310303322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310303322020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717008209280).

1310303322020 is an abundant number, since it is smaller than the sum of its proper divisors (2123713096540).

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

1310303322020 is a wasteful number, since it uses less digits than its factorization.

1310303322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844293 (or 844291 counting only the distinct ones).

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

Adding to 1310303322020 its reverse (202233030131), we get a palindrome (1512536352151).

The spelling of 1310303322020 in words is "one trillion, three hundred ten billion, three hundred three million, three hundred twenty-two thousand, twenty".