231341442130 has 16 divisors (see below), whose sum is σ = 416448757080. Its totient is φ = 92528985472.

The previous prime is 231341442119. The next prime is 231341442131. The reversal of 231341442130 is 31244143132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 198565598449 + 32775843681 = 445607^2 + 181041^2 .

It is not an unprimeable number, because it can be changed into a prime (231341442131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820099 + ... + 1065478.

Almost surely, 2^231341442130 is an apocalyptic number.

231341442130 is a deficient number, since it is larger than the sum of its proper divisors (185107314950).

231341442130 is a wasteful number, since it uses less digits than its factorization.

231341442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897853.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 231341442130 its reverse (31244143132), we get a palindrome (262585585262).

The spelling of 231341442130 in words is "two hundred thirty-one billion, three hundred forty-one million, four hundred forty-two thousand, one hundred thirty".