1010303221320 has 48 divisors (see below), whose sum is σ = 3283485470460. Its totient is φ = 269414192256.

The previous prime is 1010303221289. The next prime is 1010303221321. The reversal of 1010303221320 is 231223030101.

1010303221320 is a `hidden beast` number, since 10 + 10 + 3 + 0 + 322 + 1 + 320 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1007216974404 + 3086246916 = 1003602^2 + 55554^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1010303221293 and 1010303221302.

It is not an unprimeable number, because it can be changed into a prime (1010303221321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1403198559 + ... + 1403199278.

Almost surely, 2^{1010303221320} is an apocalyptic number.

1010303221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010303221320 is an abundant number, since it is smaller than the sum of its proper divisors (2273182249140).

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

1010303221320 is a wasteful number, since it uses less digits than its factorization.

1010303221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806397854 (or 2806397847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1010303221320 its reverse (231223030101), we get a palindrome (1241526251421).

The spelling of 1010303221320 in words is "one trillion, ten billion, three hundred three million, two hundred twenty-one thousand, three hundred twenty".