2141021231 has 8 divisors (see below), whose sum is σ = 2251787904. Its totient is φ = 2032860960.

The previous prime is 2141021227. The next prime is 2141021261. The reversal of 2141021231 is 1321201412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2141021231 - 2² = 2141021227 is a prime.

It is a super-2 number, since 2×2141021231² = 9167943823185510722, 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 (2141021261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649916 + ... + 653201.

It is an arithmetic number, because the mean of its divisors is an integer number (281473488).

Almost surely, 2^2141021231 is an apocalyptic number.

2141021231 is a deficient number, since it is larger than the sum of its proper divisors (110766673).

2141021231 is a wasteful number, since it uses less digits than its factorization.

2141021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303201.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2141021231 is about 46271.1706249150. The cubic root of 2141021231 is about 1288.8636972107.

Adding to 2141021231 its reverse (1321201412), we get a palindrome (3462222643).

The spelling of 2141021231 in words is "two billion, one hundred forty-one million, twenty-one thousand, two hundred thirty-one".