32446256231 has 2 divisors, whose sum is σ = 32446256232. Its totient is φ = 32446256230.

The previous prime is 32446256221. The next prime is 32446256251. The reversal of 32446256231 is 13265264423.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32446256231 is a prime.

It is a super-2 number, since 2×32446256231² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32446256201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16223128115 + 16223128116.

It is an arithmetic number, because the mean of its divisors is an integer number (16223128116).

Almost surely, 2^32446256231 is an apocalyptic number.

32446256231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32446256231 is an equidigital number, since it uses as much as digits as its factorization.

32446256231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 38.

The spelling of 32446256231 in words is "thirty-two billion, four hundred forty-six million, two hundred fifty-six thousand, two hundred thirty-one".