541231213 has 4 divisors (see below), whose sum is σ = 541380160. Its totient is φ = 541082268.

The previous prime is 541231211. The next prime is 541231217. The reversal of 541231213 is 312132145.

It is a happy number.

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 not a de Polignac number, because 541231213 - 2¹ = 541231211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541231211) 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, 68883 + ... + 76336.

It is an arithmetic number, because the mean of its divisors is an integer number (135345040).

Almost surely, 2^541231213 is an apocalyptic number.

It is an amenable number.

541231213 is a deficient number, since it is larger than the sum of its proper divisors (148947).

541231213 is a wasteful number, since it uses less digits than its factorization.

541231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148946.

The product of its digits is 720, while the sum is 22.

The square root of 541231213 is about 23264.3764799317. The cubic root of 541231213 is about 814.9437089604.

Adding to 541231213 its reverse (312132145), we get a palindrome (853363358).

The spelling of 541231213 in words is "five hundred forty-one million, two hundred thirty-one thousand, two hundred thirteen".