231231433043141 has 8 divisors (see below), whose sum is σ = 232906363801440. Its totient is φ = 229556665074672.

The previous prime is 231231433043131. The next prime is 231231433043159. The reversal of 231231433043141 is 141340334132132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231231433043141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231231433043131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37845590 + ... + 43528743.

It is an arithmetic number, because the mean of its divisors is an integer number (29113295475180).

Almost surely, 2^{231231433043141} is an apocalyptic number.

It is an amenable number.

231231433043141 is a deficient number, since it is larger than the sum of its proper divisors (1674930758299).

231231433043141 is a wasteful number, since it uses less digits than its factorization.

231231433043141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81394915.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 231231433043141 its reverse (141340334132132), we get a palindrome (372571767175273).

The spelling of 231231433043141 in words is "two hundred thirty-one trillion, two hundred thirty-one billion, four hundred thirty-three million, forty-three thousand, one hundred forty-one".