231421141 has 8 divisors (see below), whose sum is σ = 270632384. Its totient is φ = 193747680.

The previous prime is 231421133. The next prime is 231421171. The reversal of 231421141 is 141124132.

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

It is not a de Polignac number, because 231421141 - 2³ = 231421133 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 (231421111) 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, 384120 + ... + 384721.

It is an arithmetic number, because the mean of its divisors is an integer number (33829048).

Almost surely, 2^231421141 is an apocalyptic number.

It is an amenable number.

231421141 is a deficient number, since it is larger than the sum of its proper divisors (39211243).

231421141 is an equidigital number, since it uses as much as digits as its factorization.

231421141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768891.

The product of its digits is 192, while the sum is 19.

The square root of 231421141 is about 15212.5323664405. The cubic root of 231421141 is about 613.9518940408.

Adding to 231421141 its reverse (141124132), we get a palindrome (372545273).

The spelling of 231421141 in words is "two hundred thirty-one million, four hundred twenty-one thousand, one hundred forty-one".