10303111320 has 128 divisors (see below), whose sum is σ = 31925456640. Its totient is φ = 2658378240.

The previous prime is 10303111309. The next prime is 10303111367. The reversal of 10303111320 is 2311130301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10303111320.

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, 542790 + ... + 561450.

It is an arithmetic number, because the mean of its divisors is an integer number (249417630).

Almost surely, 2^10303111320 is an apocalyptic number.

10303111320 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 10303111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15962728320).

10303111320 is an abundant number, since it is smaller than the sum of its proper divisors (21622345320).

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

10303111320 is a wasteful number, since it uses less digits than its factorization.

10303111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18825 (or 18821 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10303111320 its reverse (2311130301), we get a palindrome (12614241621).

The spelling of 10303111320 in words is "ten billion, three hundred three million, one hundred eleven thousand, three hundred twenty".