1320110033231 has 4 divisors (see below), whose sum is σ = 1440120036264. Its totient is φ = 1200100030200.

The previous prime is 1320110033219. The next prime is 1320110033279. The reversal of 1320110033231 is 1323300110231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320110033231 is a prime.

It is a super-2 number, since 2×1320110033231² (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 (1320110033731) 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, 60005001500 + ... + 60005001521.

It is an arithmetic number, because the mean of its divisors is an integer number (360030009066).

Almost surely, 2^{1320110033231} is an apocalyptic number.

1320110033231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320110033231 is a deficient number, since it is larger than the sum of its proper divisors (120010003033).

1320110033231 is a wasteful number, since it uses less digits than its factorization.

1320110033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120010003032.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1320110033231 its reverse (1323300110231), we get a palindrome (2643410143462).

The spelling of 1320110033231 in words is "one trillion, three hundred twenty billion, one hundred ten million, thirty-three thousand, two hundred thirty-one".