32503115213 has 4 divisors (see below), whose sum is σ = 32503553628. Its totient is φ = 32502676800.

The previous prime is 32503115209. The next prime is 32503115251. The reversal of 32503115213 is 31251130523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31251130523 = 449 ⋅69601627.

It can be written as a sum of positive squares in 2 ways, for example, as 21767461444 + 10735653769 = 147538^2 + 103613^2 .

It is a cyclic number.

It is not a de Polignac number, because 32503115213 - 2² = 32503115209 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 (32503115713) 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, 77438 + ... + 266463.

It is an arithmetic number, because the mean of its divisors is an integer number (8125888407).

Almost surely, 2^32503115213 is an apocalyptic number.

It is an amenable number.

32503115213 is a deficient number, since it is larger than the sum of its proper divisors (438415).

32503115213 is an equidigital number, since it uses as much as digits as its factorization.

32503115213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438414.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 32503115213 its reverse (31251130523), we get a palindrome (63754245736).

The spelling of 32503115213 in words is "thirty-two billion, five hundred three million, one hundred fifteen thousand, two hundred thirteen".