231042441 has 16 divisors (see below), whose sum is σ = 357838208. Its totient is φ = 129859200.

The previous prime is 231042433. The next prime is 231042463. The reversal of 231042441 is 144240132.

It is not a de Polignac number, because 231042441 - 2³ = 231042433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (231042481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88900 + ... + 91461.

It is an arithmetic number, because the mean of its divisors is an integer number (22364888).

Almost surely, 2^231042441 is an apocalyptic number.

231042441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

231042441 is a deficient number, since it is larger than the sum of its proper divisors (126795767).

231042441 is a wasteful number, since it uses less digits than its factorization.

231042441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180432.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 231042441 is about 15200.0802958405. The cubic root of 231042441 is about 613.6168187455.

Adding to 231042441 its reverse (144240132), we get a palindrome (375282573).

The spelling of 231042441 in words is "two hundred thirty-one million, forty-two thousand, four hundred forty-one".