231342122144 has 48 divisors (see below), whose sum is σ = 533215400256. Its totient is φ = 96728409600.

The previous prime is 231342122113. The next prime is 231342122177. The reversal of 231342122144 is 441221243132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12585662 + ... + 12604029.

It is an arithmetic number, because the mean of its divisors is an integer number (11108654172).

Almost surely, 2^231342122144 is an apocalyptic number.

It is an amenable number.

231342122144 is an abundant number, since it is smaller than the sum of its proper divisors (301873278112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231342122144 is a wasteful number, since it uses less digits than its factorization.

231342122144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25189749 (or 25189741 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 231342122144 its reverse (441221243132), we get a palindrome (672563365276).

The spelling of 231342122144 in words is "two hundred thirty-one billion, three hundred forty-two million, one hundred twenty-two thousand, one hundred forty-four".