131234213 has 8 divisors (see below), whose sum is σ = 143428320. Its totient is φ = 119084080.

The previous prime is 131234179. The next prime is 131234219. The reversal of 131234213 is 312432131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131234213 - 2⁸ = 131233957 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 (131234219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4583 + ... + 16836.

It is an arithmetic number, because the mean of its divisors is an integer number (17928540).

Almost surely, 2^131234213 is an apocalyptic number.

It is an amenable number.

131234213 is a deficient number, since it is larger than the sum of its proper divisors (12194107).

131234213 is a wasteful number, since it uses less digits than its factorization.

131234213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21987.

The product of its digits is 432, while the sum is 20.

The square root of 131234213 is about 11455.7502155031. The cubic root of 131234213 is about 508.1778019088.

Adding to 131234213 its reverse (312432131), we get a palindrome (443666344).

The spelling of 131234213 in words is "one hundred thirty-one million, two hundred thirty-four thousand, two hundred thirteen".