231343443341232 has 20 divisors (see below), whose sum is σ = 597637228631640. Its totient is φ = 77114481113728.

The previous prime is 231343443341221. The next prime is 231343443341279. The reversal of 231343443341232 is 232143344343132.

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

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, 2409827534757 + ... + 2409827534852.

It is an arithmetic number, because the mean of its divisors is an integer number (29881861431582).

Almost surely, 2^{231343443341232} is an apocalyptic number.

It is an amenable number.

231343443341232 is an abundant number, since it is smaller than the sum of its proper divisors (366293785290408).

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

231343443341232 is a wasteful number, since it uses less digits than its factorization.

231343443341232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819655069620 (or 4819655069614 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 42.

Adding to 231343443341232 its reverse (232143344343132), we get a palindrome (463486787684364).

The spelling of 231343443341232 in words is "two hundred thirty-one trillion, three hundred forty-three billion, four hundred forty-three million, three hundred forty-one thousand, two hundred thirty-two".