2113232331 has 16 divisors (see below), whose sum is σ = 3222077184. Its totient is φ = 1206843744.

The previous prime is 2113232281. The next prime is 2113232353. The reversal of 2113232331 is 1332323112.

It is not a de Polignac number, because 2113232331 - 2⁶ = 2113232267 is a prime.

It is a super-2 number, since 2×2113232331² = 8931501769567387122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2113232298 and 2113232307.

It is not an unprimeable number, because it can be changed into a prime (2113232371) 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, 7360 + ... + 65426.

It is an arithmetic number, because the mean of its divisors is an integer number (201379824).

Almost surely, 2^2113232331 is an apocalyptic number.

2113232331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2113232331 is a deficient number, since it is larger than the sum of its proper divisors (1108844853).

2113232331 is a wasteful number, since it uses less digits than its factorization.

2113232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59810.

The product of its digits is 648, while the sum is 21.

The square root of 2113232331 is about 45969.9067978172. The cubic root of 2113232331 is about 1283.2632253974.

Adding to 2113232331 its reverse (1332323112), we get a palindrome (3445555443).

The spelling of 2113232331 in words is "two billion, one hundred thirteen million, two hundred thirty-two thousand, three hundred thirty-one".