231532420114144 has 24 divisors (see below), whose sum is σ = 456029289793728. Its totient is φ = 115715457626880.

The previous prime is 231532420114129. The next prime is 231532420114159. The reversal of 231532420114144 is 441411024235132.

It is an interprime number because it is at equal distance from previous prime (231532420114129) and next prime (231532420114159).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585939312 + ... + 1586085295.

It is an arithmetic number, because the mean of its divisors is an integer number (19001220408072).

Almost surely, 2^{231532420114144} is an apocalyptic number.

It is an amenable number.

231532420114144 is a deficient number, since it is larger than the sum of its proper divisors (224496869679584).

231532420114144 is a wasteful number, since it uses less digits than its factorization.

231532420114144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172026898 (or 3172026890 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 231532420114144 its reverse (441411024235132), we get a palindrome (672943444349276).

The spelling of 231532420114144 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, four hundred twenty million, one hundred fourteen thousand, one hundred forty-four".