32502053231 has 4 divisors (see below), whose sum is σ = 32539979472. Its totient is φ = 32464126992.

The previous prime is 32502053189. The next prime is 32502053263. The reversal of 32502053231 is 13235020523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32502053231 is a prime.

It is a super-2 number, since 2×32502053231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32502053231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32502353231) 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, 18961835 + ... + 18963548.

It is an arithmetic number, because the mean of its divisors is an integer number (8134994868).

Almost surely, 2^32502053231 is an apocalyptic number.

32502053231 is a deficient number, since it is larger than the sum of its proper divisors (37926241).

32502053231 is an equidigital number, since it uses as much as digits as its factorization.

32502053231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37926240.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 32502053231 its reverse (13235020523), we get a palindrome (45737073754).

The spelling of 32502053231 in words is "thirty-two billion, five hundred two million, fifty-three thousand, two hundred thirty-one".