2141230231 has 4 divisors (see below), whose sum is σ = 2447120272. Its totient is φ = 1835340192.

The previous prime is 2141230187. The next prime is 2141230237. The reversal of 2141230231 is 1320321412.

It is a happy number.

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

It is not a de Polignac number, because 2141230231 - 2²¹ = 2139133079 is a prime.

It is a super-2 number, since 2×2141230231² = 9169733804296626722, 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 = 2141230199 and 2141230208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141230237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152945010 + ... + 152945023.

It is an arithmetic number, because the mean of its divisors is an integer number (611780068).

Almost surely, 2^2141230231 is an apocalyptic number.

2141230231 is a deficient number, since it is larger than the sum of its proper divisors (305890041).

2141230231 is an equidigital number, since it uses as much as digits as its factorization.

2141230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305890040.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2141230231 is about 46273.4289954829. The cubic root of 2141230231 is about 1288.9056341680.

Adding to 2141230231 its reverse (1320321412), we get a palindrome (3461551643).

The spelling of 2141230231 in words is "two billion, one hundred forty-one million, two hundred thirty thousand, two hundred thirty-one".