1320220000231 has 4 divisors (see below), whose sum is σ = 1440240000264. Its totient is φ = 1200200000200.

The previous prime is 1320220000217. The next prime is 1320220000237. The reversal of 1320220000231 is 1320000220231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320220000231 - 2⁷ = 1320220000103 is a prime.

It is a super-2 number, since 2×1320220000231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320220000237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60010000000 + ... + 60010000021.

It is an arithmetic number, because the mean of its divisors is an integer number (360060000066).

Almost surely, 2^{1320220000231} is an apocalyptic number.

1320220000231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320220000231 is a deficient number, since it is larger than the sum of its proper divisors (120020000033).

1320220000231 is a wasteful number, since it uses less digits than its factorization.

1320220000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120020000032.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1320220000231 its reverse (1320000220231), we get a palindrome (2640220220462).

It can be divided in two parts, 1320220000 and 231, that added together give a palindrome (1320220231).

The spelling of 1320220000231 in words is "one trillion, three hundred twenty billion, two hundred twenty million, two hundred thirty-one", and thus it is an aban number.