213431342041 has 16 divisors (see below), whose sum is σ = 223324231680. Its totient is φ = 203590174480.

The previous prime is 213431342023. The next prime is 213431342057. The reversal of 213431342041 is 140243134312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213431342041 - 2¹¹ = 213431339993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213431342011) 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, 17870850 + ... + 17882788.

It is an arithmetic number, because the mean of its divisors is an integer number (13957764480).

Almost surely, 2^213431342041 is an apocalyptic number.

It is an amenable number.

213431342041 is a deficient number, since it is larger than the sum of its proper divisors (9892889639).

213431342041 is a wasteful number, since it uses less digits than its factorization.

213431342041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14036.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 213431342041 its reverse (140243134312), we get a palindrome (353674476353).

The spelling of 213431342041 in words is "two hundred thirteen billion, four hundred thirty-one million, three hundred forty-two thousand, forty-one".