2113120331 has 8 divisors (see below), whose sum is σ = 2519994624. Its totient is φ = 1732496040.

The previous prime is 2113120327. The next prime is 2113120333. The reversal of 2113120331 is 1330213112.

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 2113120331 - 2² = 2113120327 is a prime.

It is a super-2 number, since 2×2113120331² = 8930555066571099122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113120333) 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, 6562325 + ... + 6562646.

It is an arithmetic number, because the mean of its divisors is an integer number (314999328).

Almost surely, 2^2113120331 is an apocalyptic number.

2113120331 is a deficient number, since it is larger than the sum of its proper divisors (406874293).

2113120331 is a wasteful number, since it uses less digits than its factorization.

2113120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13125001.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2113120331 is about 45968.6885934328. The cubic root of 2113120331 is about 1283.2405542792.

Adding to 2113120331 its reverse (1330213112), we get a palindrome (3443333443).

The spelling of 2113120331 in words is "two billion, one hundred thirteen million, one hundred twenty thousand, three hundred thirty-one".