2113320031 has 16 divisors (see below), whose sum is σ = 2295941760. Its totient is φ = 1937336320.

The previous prime is 2113320029. The next prime is 2113320067. The reversal of 2113320031 is 1300233112.

It is not a de Polignac number, because 2113320031 - 2¹ = 2113320029 is a prime.

It is a super-2 number, since 2×2113320031² = 8932243106851681922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113319987 and 2113320014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113320071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499035 + ... + 503251.

It is an arithmetic number, because the mean of its divisors is an integer number (143496360).

Almost surely, 2^2113320031 is an apocalyptic number.

2113320031 is a deficient number, since it is larger than the sum of its proper divisors (182621729).

2113320031 is a wasteful number, since it uses less digits than its factorization.

2113320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2113320031 is about 45970.8606728219. The cubic root of 2113320031 is about 1283.2809771336.

Adding to 2113320031 its reverse (1300233112), we get a palindrome (3413553143).

The spelling of 2113320031 in words is "two billion, one hundred thirteen million, three hundred twenty thousand, thirty-one".