231341440043 has 16 divisors (see below), whose sum is σ = 270867070656. Its totient is φ = 193476366720.

The previous prime is 231341440037. The next prime is 231341440093. The reversal of 231341440043 is 340044143132.

It is a happy number.

It is not a de Polignac number, because 231341440043 - 2²⁰ = 231340391467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231341439988 and 231341440015.

It is not an unprimeable number, because it can be changed into a prime (231341440013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1655396 + ... + 1789697.

It is an arithmetic number, because the mean of its divisors is an integer number (16929191916).

Almost surely, 2^231341440043 is an apocalyptic number.

231341440043 is a deficient number, since it is larger than the sum of its proper divisors (39525630613).

231341440043 is a wasteful number, since it uses less digits than its factorization.

231341440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445334.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 231341440043 its reverse (340044143132), we get a palindrome (571385583175).

The spelling of 231341440043 in words is "two hundred thirty-one billion, three hundred forty-one million, four hundred forty thousand, forty-three".