213432044141 has 2 divisors, whose sum is σ = 213432044142. Its totient is φ = 213432044140.

The previous prime is 213432044123. The next prime is 213432044167. The reversal of 213432044141 is 141440234312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204465848041 + 8966196100 = 452179^2 + 94690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213432044141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213432044191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106716022070 + 106716022071.

It is an arithmetic number, because the mean of its divisors is an integer number (106716022071).

Almost surely, 2^213432044141 is an apocalyptic number.

It is an amenable number.

213432044141 is a deficient number, since it is larger than the sum of its proper divisors (1).

213432044141 is an equidigital number, since it uses as much as digits as its factorization.

213432044141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 213432044141 its reverse (141440234312), we get a palindrome (354872278453).

The spelling of 213432044141 in words is "two hundred thirteen billion, four hundred thirty-two million, forty-four thousand, one hundred forty-one".