231241343142132 has 144 divisors (see below), whose sum is σ = 602768599170192. Its totient is φ = 74722391654400.

The previous prime is 231241343142109. The next prime is 231241343142133.

231241343142132 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 4 + 1 + 3 + 431 + 4 + 213 + 2 = 666.

231241343142132 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 8427327716196 + 222814015425936 = 2902986^2 + 14926956^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231241343142133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33184068 + ... + 39543204.

It is an arithmetic number, because the mean of its divisors is an integer number (4185893049793).

Almost surely, 2^{231241343142132} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231241343142132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301384299585096).

231241343142132 is an abundant number, since it is smaller than the sum of its proper divisors (371527256028060).

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

231241343142132 is a wasteful number, since it uses less digits than its factorization.

231241343142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6359458 (or 6359453 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 231241343142132 in words is "two hundred thirty-one trillion, two hundred forty-one billion, three hundred forty-three million, one hundred forty-two thousand, one hundred thirty-two".