2141231151 has 4 divisors (see below), whose sum is σ = 2854974872. Its totient is φ = 1427487432.

The previous prime is 2141231143. The next prime is 2141231173. The reversal of 2141231151 is 1511321412.

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

It is not a de Polignac number, because 2141231151 - 2³ = 2141231143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141231251) 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, 356871856 + ... + 356871861.

It is an arithmetic number, because the mean of its divisors is an integer number (713743718).

Almost surely, 2^2141231151 is an apocalyptic number.

2141231151 is a deficient number, since it is larger than the sum of its proper divisors (713743721).

2141231151 is an equidigital number, since it uses as much as digits as its factorization.

2141231151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713743720.

The product of its digits is 240, while the sum is 21.

The square root of 2141231151 is about 46273.4389363920. The cubic root of 2141231151 is about 1288.9058187649.

Adding to 2141231151 its reverse (1511321412), we get a palindrome (3652552563).

The spelling of 2141231151 in words is "two billion, one hundred forty-one million, two hundred thirty-one thousand, one hundred fifty-one".