32131003213 has 4 divisors (see below), whose sum is σ = 32131999260. Its totient is φ = 32130007168.

The previous prime is 32131003199. The next prime is 32131003231. The reversal of 32131003213 is 31230013123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31230013123 = 2213 ⋅14112071.

It can be written as a sum of positive squares in 2 ways, for example, as 18605778409 + 13525224804 = 136403^2 + 116298^2 .

It is a cyclic number.

It is not a de Polignac number, because 32131003213 - 2¹³ = 32130995021 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 (32131003313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447958 + ... + 514711.

It is an arithmetic number, because the mean of its divisors is an integer number (8032999815).

Almost surely, 2^32131003213 is an apocalyptic number.

It is an amenable number.

32131003213 is a deficient number, since it is larger than the sum of its proper divisors (996047).

32131003213 is an equidigital number, since it uses as much as digits as its factorization.

32131003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996046.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 32131003213 its reverse (31230013123), we get a palindrome (63361016336).

The spelling of 32131003213 in words is "thirty-two billion, one hundred thirty-one million, three thousand, two hundred thirteen".