21233431132041 has 16 divisors (see below), whose sum is σ = 28700392248704. Its totient is φ = 13961063297664.

The previous prime is 21233431132037. The next prime is 21233431132099. The reversal of 21233431132041 is 14023113433212.

It is not a de Polignac number, because 21233431132041 - 2² = 21233431132037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21233431132021) 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, 2536620 + ... + 6992946.

It is an arithmetic number, because the mean of its divisors is an integer number (1793774515544).

Almost surely, 2^{21233431132041} is an apocalyptic number.

It is an amenable number.

21233431132041 is a deficient number, since it is larger than the sum of its proper divisors (7466961116663).

21233431132041 is a wasteful number, since it uses less digits than its factorization.

21233431132041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478160.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 21233431132041 its reverse (14023113433212), we get a palindrome (35256544565253).

The spelling of 21233431132041 in words is "twenty-one trillion, two hundred thirty-three billion, four hundred thirty-one million, one hundred thirty-two thousand, forty-one".