1303111130020 has 96 divisors (see below), whose sum is σ = 3146952630528. Its totient is φ = 444002107392.

The previous prime is 1303111129997. The next prime is 1303111130021. The reversal of 1303111130020 is 200311113031.

It is a junction number, because it is equal to n+sod(n) for n = 1303111129976 and 1303111130003.

It is not an unprimeable number, because it can be changed into a prime (1303111130021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26373859 + ... + 26423221.

It is an arithmetic number, because the mean of its divisors is an integer number (32780756568).

Almost surely, 2^{1303111130020} is an apocalyptic number.

1303111130020 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 1303111130020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573476315264).

1303111130020 is an abundant number, since it is smaller than the sum of its proper divisors (1843841500508).

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

1303111130020 is a wasteful number, since it uses less digits than its factorization.

1303111130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50549 (or 50547 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1303111130020 its reverse (200311113031), we get a palindrome (1503422243051).

The spelling of 1303111130020 in words is "one trillion, three hundred three billion, one hundred eleven million, one hundred thirty thousand, twenty".