1320113011 has 8 divisors (see below), whose sum is σ = 1529950464. Its totient is φ = 1115588040.

The previous prime is 1320113009. The next prime is 1320113051. The reversal of 1320113011 is 1103110231.

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

It is not a de Polignac number, because 1320113011 - 2¹ = 1320113009 is a prime.

It is a super-2 number, since 2×1320113011² = 3485396723622972242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320112982 and 1320113000.

It is not an unprimeable number, because it can be changed into a prime (1320113051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327585 + ... + 1328578.

It is an arithmetic number, because the mean of its divisors is an integer number (191243808).

Almost surely, 2^1320113011 is an apocalyptic number.

1320113011 is a deficient number, since it is larger than the sum of its proper divisors (209837453).

1320113011 is an equidigital number, since it uses as much as digits as its factorization.

1320113011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656241.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1320113011 is about 36333.3594785839. The cubic root of 1320113011 is about 1096.9926148191.

Adding to 1320113011 its reverse (1103110231), we get a palindrome (2423223242).

The spelling of 1320113011 in words is "one billion, three hundred twenty million, one hundred thirteen thousand, eleven".