1303103313030 has 128 divisors (see below), whose sum is σ = 3212971914240. Its totient is φ = 338059008000.

The previous prime is 1303103313023. The next prime is 1303103313041. The reversal of 1303103313030 is 303133013031.

It is a junction number, because it is equal to n+sod(n) for n = 1303103312988 and 1303103313006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 434221530 + ... + 434224530.

It is an arithmetic number, because the mean of its divisors is an integer number (25101343080).

Almost surely, 2^{1303103313030} is an apocalyptic number.

1303103313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303103313030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606485957120).

1303103313030 is an abundant number, since it is smaller than the sum of its proper divisors (1909868601210).

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

1303103313030 is a wasteful number, since it uses less digits than its factorization.

1303103313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 1303103313030 its reverse (303133013031), we get a palindrome (1606236326061).

The spelling of 1303103313030 in words is "one trillion, three hundred three billion, one hundred three million, three hundred thirteen thousand, thirty".