141231213 has 6 divisors (see below), whose sum is σ = 204000654. Its totient is φ = 94154136.

The previous prime is 141231197. The next prime is 141231253. The reversal of 141231213 is 312132141.

It can be written as a sum of positive squares in only one way, i.e., 135908964 + 5322249 = 11658^2 + 2307^2 .

It is not a de Polignac number, because 141231213 - 2⁴ = 141231197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141231253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7846170 + ... + 7846187.

It is an arithmetic number, because the mean of its divisors is an integer number (34000109).

Almost surely, 2^141231213 is an apocalyptic number.

It is an amenable number.

141231213 is a deficient number, since it is larger than the sum of its proper divisors (62769441).

141231213 is a wasteful number, since it uses less digits than its factorization.

141231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15692363 (or 15692360 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 141231213 is about 11884.0739226917. The cubic root of 141231213 is about 520.7671283414.

Adding to 141231213 its reverse (312132141), we get a palindrome (453363354).

The spelling of 141231213 in words is "one hundred forty-one million, two hundred thirty-one thousand, two hundred thirteen".