41231231213 has 4 divisors (see below), whose sum is σ = 41545973568. Its totient is φ = 40916488860.

The previous prime is 41231231191. The next prime is 41231231273. The reversal of 41231231213 is 31213213214.

41231231213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41231231213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41231231273) 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, 157370981 + ... + 157371242.

It is an arithmetic number, because the mean of its divisors is an integer number (10386493392).

Almost surely, 2^41231231213 is an apocalyptic number.

It is an amenable number.

41231231213 is a deficient number, since it is larger than the sum of its proper divisors (314742355).

41231231213 is a wasteful number, since it uses less digits than its factorization.

41231231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314742354.

The product of its digits is 864, while the sum is 23.

Adding to 41231231213 its reverse (31213213214), we get a palindrome (72444444427).

The spelling of 41231231213 in words is "forty-one billion, two hundred thirty-one million, two hundred thirty-one thousand, two hundred thirteen".