231442425766 has 48 divisors (see below), whose sum is σ = 361434739680. Its totient is φ = 111126329600.

The previous prime is 231442425743. The next prime is 231442425769. The reversal of 231442425766 is 667524244132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231442425769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50497911 + ... + 50502493.

It is an arithmetic number, because the mean of its divisors is an integer number (7529890410).

Almost surely, 2^231442425766 is an apocalyptic number.

231442425766 is a deficient number, since it is larger than the sum of its proper divisors (129992313914).

231442425766 is a wasteful number, since it uses less digits than its factorization.

231442425766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881 (or 4828 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 46.

Adding to 231442425766 its reverse (667524244132), we get a palindrome (898966669898).

The spelling of 231442425766 in words is "two hundred thirty-one billion, four hundred forty-two million, four hundred twenty-five thousand, seven hundred sixty-six".