2141231405 has 16 divisors (see below), whose sum is σ = 2657387520. Its totient is φ = 1655302272.

The previous prime is 2141231399. The next prime is 2141231431. The reversal of 2141231405 is 5041321412.

It is a cyclic number.

It is not a de Polignac number, because 2141231405 - 2¹⁰ = 2141230381 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 39104 + ... + 76233.

It is an arithmetic number, because the mean of its divisors is an integer number (166086720).

Almost surely, 2^2141231405 is an apocalyptic number.

It is an amenable number.

2141231405 is a deficient number, since it is larger than the sum of its proper divisors (516156115).

2141231405 is a wasteful number, since it uses less digits than its factorization.

2141231405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115468.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2141231405 is about 46273.4416809470. The cubic root of 2141231405 is about 1288.9058697297.

Adding to 2141231405 its reverse (5041321412), we get a palindrome (7182552817).

The spelling of 2141231405 in words is "two billion, one hundred forty-one million, two hundred thirty-one thousand, four hundred five".