32135222513 has 4 divisors (see below), whose sum is σ = 32175543540. Its totient is φ = 32094901488.

The previous prime is 32135222503. The next prime is 32135222543. The reversal of 32135222513 is 31522253123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31522253123 = 881 ⋅35780083.

It can be written as a sum of positive squares in 2 ways, for example, as 8058114289 + 24077108224 = 89767^2 + 155168^2 .

It is a cyclic number.

It is not a de Polignac number, because 32135222513 - 2¹² = 32135218417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32135222503) 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, 20159318 + ... + 20160911.

It is an arithmetic number, because the mean of its divisors is an integer number (8043885885).

Almost surely, 2^32135222513 is an apocalyptic number.

It is an amenable number.

32135222513 is a deficient number, since it is larger than the sum of its proper divisors (40321027).

32135222513 is an equidigital number, since it uses as much as digits as its factorization.

32135222513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40321026.

The product of its digits is 10800, while the sum is 29.

Adding to 32135222513 its reverse (31522253123), we get a palindrome (63657475636).

The spelling of 32135222513 in words is "thirty-two billion, one hundred thirty-five million, two hundred twenty-two thousand, five hundred thirteen".