21334333040131 has 4 divisors (see below), whose sum is σ = 22261912737552. Its totient is φ = 20406753342712.

The previous prime is 21334333040089. The next prime is 21334333040149. The reversal of 21334333040131 is 13104033343312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21334333040131 is a prime.

It is a super-2 number, since 2×21334333040131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21334333040093 and 21334333040102.

It is not an unprimeable number, because it can be changed into a prime (21334333040161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463789848676 + ... + 463789848721.

It is an arithmetic number, because the mean of its divisors is an integer number (5565478184388).

Almost surely, 2^{21334333040131} is an apocalyptic number.

21334333040131 is a deficient number, since it is larger than the sum of its proper divisors (927579697421).

21334333040131 is an equidigital number, since it uses as much as digits as its factorization.

21334333040131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927579697420.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 21334333040131 its reverse (13104033343312), we get a palindrome (34438366383443).

The spelling of 21334333040131 in words is "twenty-one trillion, three hundred thirty-four billion, three hundred thirty-three million, forty thousand, one hundred thirty-one".