32131232213 has 4 divisors (see below), whose sum is σ = 32131955328. Its totient is φ = 32130509100.

The previous prime is 32131232201. The next prime is 32131232219. The reversal of 32131232213 is 31223213123.

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 32131232213 - 2¹² = 32131228117 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 (32131232219) 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, 290213 + ... + 385338.

It is an arithmetic number, because the mean of its divisors is an integer number (8032988832).

Almost surely, 2^32131232213 is an apocalyptic number.

It is an amenable number.

32131232213 is a deficient number, since it is larger than the sum of its proper divisors (723115).

32131232213 is an equidigital number, since it uses as much as digits as its factorization.

32131232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723114.

The product of its digits is 1296, while the sum is 23.

Adding to 32131232213 its reverse (31223213123), we get a palindrome (63354445336).

The spelling of 32131232213 in words is "thirty-two billion, one hundred thirty-one million, two hundred thirty-two thousand, two hundred thirteen".