2113232231 has 16 divisors (see below), whose sum is σ = 2431443840. Its totient is φ = 1816434720.

The previous prime is 2113232201. The next prime is 2113232237. The reversal of 2113232231 is 1322323112.

It is a cyclic number.

It is not a de Polignac number, because 2113232231 - 2¹⁴ = 2113215847 is a prime.

It is a super-2 number, since 2×2113232231² = 8931500924274474722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113232237) 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, 99641 + ... + 118973.

It is an arithmetic number, because the mean of its divisors is an integer number (151965240).

Almost surely, 2^2113232231 is an apocalyptic number.

2113232231 is a deficient number, since it is larger than the sum of its proper divisors (318211609).

2113232231 is a wasteful number, since it uses less digits than its factorization.

2113232231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19886.

The product of its digits is 432, while the sum is 20.

The square root of 2113232231 is about 45969.9057101491. The cubic root of 2113232231 is about 1283.2632051557.

Adding to 2113232231 its reverse (1322323112), we get a palindrome (3435555343).

The spelling of 2113232231 in words is "two billion, one hundred thirteen million, two hundred thirty-two thousand, two hundred thirty-one".