1320320303100 has 54 divisors (see below), whose sum is σ = 4138470641760. Its totient is φ = 352085413920.

The previous prime is 1320320303069. The next prime is 1320320303123. The reversal of 1320320303100 is 13030230231.

1320320303100 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 320 + 30 + 310 + 0 = 666.

It is a super-2 number, since 2×1320320303100² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 733510380 + ... + 733512179.

Almost surely, 2^{1320320303100} is an apocalyptic number.

1320320303100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320320303100 is an abundant number, since it is smaller than the sum of its proper divisors (2818150338660).

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

1320320303100 is a wasteful number, since it uses less digits than its factorization.

1320320303100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467022579 (or 1467022569 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1320320303100 its reverse (13030230231), we get a palindrome (1333350533331).

The spelling of 1320320303100 in words is "one trillion, three hundred twenty billion, three hundred twenty million, three hundred three thousand, one hundred".