231240341042 has 16 divisors (see below), whose sum is σ = 347516076600. Its totient is φ = 115401768960.

The previous prime is 231240340963. The next prime is 231240341047. The reversal of 231240341042 is 240143042132.

It can be written as a sum of positive squares in 4 ways, for example, as 231208067281 + 32273761 = 480841^2 + 5681^2 .

It is not an unprimeable number, because it can be changed into a prime (231240341047) 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, 4085834 + ... + 4142042.

Almost surely, 2^231240341042 is an apocalyptic number.

231240341042 is a deficient number, since it is larger than the sum of its proper divisors (116275735558).

231240341042 is a wasteful number, since it uses less digits than its factorization.

231240341042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60061.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 231240341042 its reverse (240143042132), we get a palindrome (471383383174).

The spelling of 231240341042 in words is "two hundred thirty-one billion, two hundred forty million, three hundred forty-one thousand, forty-two".