231342741 has 12 divisors (see below), whose sum is σ = 381899232. Its totient is φ = 132195816.

The previous prime is 231342719. The next prime is 231342743. The reversal of 231342741 is 147243132.

It is a happy number.

231342741 is a `hidden beast` number, since 231 + 3 + 427 + 4 + 1 = 666.

It is not a de Polignac number, because 231342741 - 2⁹ = 231342229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231342743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835991 + ... + 1836116.

It is an arithmetic number, because the mean of its divisors is an integer number (31824936).

Almost surely, 2^231342741 is an apocalyptic number.

231342741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

231342741 is a deficient number, since it is larger than the sum of its proper divisors (150556491).

231342741 is a wasteful number, since it uses less digits than its factorization.

231342741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672120 (or 3672117 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 231342741 is about 15209.9553253782. The cubic root of 231342741 is about 613.8825554245.

Adding to 231342741 its reverse (147243132), we get a palindrome (378585873).

It can be divided in two parts, 2313 and 42741, that added together give a palindrome (45054).

The spelling of 231342741 in words is "two hundred thirty-one million, three hundred forty-two thousand, seven hundred forty-one".