1303032101020 has 96 divisors (see below), whose sum is σ = 3038635156032. Its totient is φ = 466354157568.

The previous prime is 1303032101017. The next prime is 1303032101051. The reversal of 1303032101020 is 201012303031.

It is a junction number, because it is equal to n+sod(n) for n = 1303032100985 and 1303032101003.

It is a congruent number.

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, 574104 + ... + 1713376.

It is an arithmetic number, because the mean of its divisors is an integer number (31652449542).

Almost surely, 2^{1303032101020} is an apocalyptic number.

1303032101020 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 1303032101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519317578016).

1303032101020 is an abundant number, since it is smaller than the sum of its proper divisors (1735603055012).

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

1303032101020 is a wasteful number, since it uses less digits than its factorization.

1303032101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139431 (or 1139429 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1303032101020 its reverse (201012303031), we get a palindrome (1504044404051).

The spelling of 1303032101020 in words is "one trillion, three hundred three billion, thirty-two million, one hundred one thousand, twenty".