131032213 has 8 divisors (see below), whose sum is σ = 142048256. Its totient is φ = 120150000.

The previous prime is 131032211. The next prime is 131032259. The reversal of 131032213 is 312230131.

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 131032213 - 2¹ = 131032211 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 (131032211) 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, 31413 + ... + 35338.

It is an arithmetic number, because the mean of its divisors is an integer number (17756032).

Almost surely, 2^131032213 is an apocalyptic number.

131032213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131032213 is a deficient number, since it is larger than the sum of its proper divisors (11016043).

131032213 is a wasteful number, since it uses less digits than its factorization.

131032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66915.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131032213 is about 11446.9302871993. The cubic root of 131032213 is about 507.9169333768.

Adding to 131032213 its reverse (312230131), we get a palindrome (443262344).

The spelling of 131032213 in words is "one hundred thirty-one million, thirty-two thousand, two hundred thirteen".