2011120313 has 4 divisors (see below), whose sum is σ = 2011271568. Its totient is φ = 2010969060.

The previous prime is 2011120283. The next prime is 2011120327. The reversal of 2011120313 is 3130211102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3130211102 = 2 ⋅1565105551.

It is a cyclic number.

It is not a de Polignac number, because 2011120313 - 2¹⁶ = 2011054777 is a prime.

It is a super-2 number, since 2×2011120313² = 8089209826722435938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011123313) 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, 53531 + ... + 82992.

It is an arithmetic number, because the mean of its divisors is an integer number (502817892).

Almost surely, 2^2011120313 is an apocalyptic number.

It is an amenable number.

2011120313 is a deficient number, since it is larger than the sum of its proper divisors (151255).

2011120313 is a wasteful number, since it uses less digits than its factorization.

2011120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151254.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2011120313 is about 44845.5160857805. The cubic root of 2011120313 is about 1262.2518547428.

Adding to 2011120313 its reverse (3130211102), we get a palindrome (5141331415).

The spelling of 2011120313 in words is "two billion, eleven million, one hundred twenty thousand, three hundred thirteen".