2132113231 has 4 divisors (see below), whose sum is σ = 2135155464. Its totient is φ = 2129071000.

The previous prime is 2132113199. The next prime is 2132113237. The reversal of 2132113231 is 1323112312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2132113231 - 2⁵ = 2132113199 is a prime.

It is a super-2 number, since 2×2132113231² = 9091813659610518722, 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 = 2132113199 and 2132113208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132113237) 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, 1520065 + ... + 1521466.

It is an arithmetic number, because the mean of its divisors is an integer number (533788866).

Almost surely, 2^2132113231 is an apocalyptic number.

2132113231 is a deficient number, since it is larger than the sum of its proper divisors (3042233).

2132113231 is an equidigital number, since it uses as much as digits as its factorization.

2132113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042232.

The product of its digits is 216, while the sum is 19.

The square root of 2132113231 is about 46174.8116509423. The cubic root of 2132113231 is about 1287.0737168707.

Adding to 2132113231 its reverse (1323112312), we get a palindrome (3455225543).

The spelling of 2132113231 in words is "two billion, one hundred thirty-two million, one hundred thirteen thousand, two hundred thirty-one".