1320313111 has 8 divisors (see below), whose sum is σ = 1422293040. Its totient is φ = 1218392832.

The previous prime is 1320313103. The next prime is 1320313123. The reversal of 1320313111 is 1113130231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320313111 - 2³ = 1320313103 is a prime.

It is a super-2 number, since 2×1320313111² = 3486453422156996642, which 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 (1320316111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38055 + ... + 63943.

It is an arithmetic number, because the mean of its divisors is an integer number (177786630).

Almost surely, 2^1320313111 is an apocalyptic number.

1320313111 is a deficient number, since it is larger than the sum of its proper divisors (101979929).

1320313111 is a wasteful number, since it uses less digits than its factorization.

1320313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29825.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1320313111 is about 36336.1130419862. The cubic root of 1320313111 is about 1097.0480386428.

Adding to 1320313111 its reverse (1113130231), we get a palindrome (2433443342).

The spelling of 1320313111 in words is "one billion, three hundred twenty million, three hundred thirteen thousand, one hundred eleven".